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Finding the Fourth Proportional to 7,644.62, 10,549.93 and 4,456.76

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Solution

The fourth proportional to 7,644.62, 10,549.93 and 4,456.76 is: 6,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.62 : 10,549.93 = 4,456.76 : x
  2. Step 2: Convert to fraction form
    7,644.62/10,549.93 = 4,456.76/x
  3. Step 3: Cross multiply
    7,644.62x = 10,549.93 × 4,456.76
  4. Step 4: Simplify right side
    7,644.62x = 47,018,506.03
  5. Step 5: Solve for x
    x = 47,018,506.03/7,644.62
  6. Step 6: Final answer
    x = 6,150.54

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,645.62, 10,551.31 and 4,457.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.