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Finding the Fourth Proportional to 1,658.13, 2,487.33 and 562.74

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Solution

The fourth proportional to 1,658.13, 2,487.33 and 562.74 is: 844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.13 : 2,487.33 = 562.74 : x
  2. Step 2: Convert to fraction form
    1,658.13/2,487.33 = 562.74/x
  3. Step 3: Cross multiply
    1,658.13x = 2,487.33 × 562.74
  4. Step 4: Simplify right side
    1,658.13x = 1,399,720.08
  5. Step 5: Solve for x
    x = 1,399,720.08/1,658.13
  6. Step 6: Final answer
    x = 844.16

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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.