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Finding the Fourth Proportional to 4,644.99, 6,970.55 and 2,455.25

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Solution

The fourth proportional to 4,644.99, 6,970.55 and 2,455.25 is: 3,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.99 : 6,970.55 = 2,455.25 : x
  2. Step 2: Convert to fraction form
    4,644.99/6,970.55 = 2,455.25/x
  3. Step 3: Cross multiply
    4,644.99x = 6,970.55 × 2,455.25
  4. Step 4: Simplify right side
    4,644.99x = 17,114,395.76
  5. Step 5: Solve for x
    x = 17,114,395.76/4,644.99
  6. Step 6: Final answer
    x = 3,684.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.