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Finding the Fourth Proportional to 1,655.91, 2,484.14 and 560.03

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Solution

The fourth proportional to 1,655.91, 2,484.14 and 560.03 is: 840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.91 : 2,484.14 = 560.03 : x
  2. Step 2: Convert to fraction form
    1,655.91/2,484.14 = 560.03/x
  3. Step 3: Cross multiply
    1,655.91x = 2,484.14 × 560.03
  4. Step 4: Simplify right side
    1,655.91x = 1,391,177.70
  5. Step 5: Solve for x
    x = 1,391,177.70/1,655.91
  6. Step 6: Final answer
    x = 840.13

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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.