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Finding the Fourth Proportional to 7,605.56, 10,495.34 and 4,248.76

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Solution

The fourth proportional to 7,605.56, 10,495.34 and 4,248.76 is: 5,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.56 : 10,495.34 = 4,248.76 : x
  2. Step 2: Convert to fraction form
    7,605.56/10,495.34 = 4,248.76/x
  3. Step 3: Cross multiply
    7,605.56x = 10,495.34 × 4,248.76
  4. Step 4: Simplify right side
    7,605.56x = 44,592,180.78
  5. Step 5: Solve for x
    x = 44,592,180.78/7,605.56
  6. Step 6: Final answer
    x = 5,863.10

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Half scale
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Double scale
Find fourth proportional to 7,606.56, 10,496.72 and 4,249.76
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.