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Finding the Fourth Proportional to 1,064.25, 1,468.65 and 592.13

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Solution

The fourth proportional to 1,064.25, 1,468.65 and 592.13 is: 817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.25 : 1,468.65 = 592.13 : x
  2. Step 2: Convert to fraction form
    1,064.25/1,468.65 = 592.13/x
  3. Step 3: Cross multiply
    1,064.25x = 1,468.65 × 592.13
  4. Step 4: Simplify right side
    1,064.25x = 869,624.38
  5. Step 5: Solve for x
    x = 869,624.38/1,064.25
  6. Step 6: Final answer
    x = 817.12

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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.