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Finding the Fourth Proportional to 1,593.32, 2,389.01 and 715.65

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Solution

The fourth proportional to 1,593.32, 2,389.01 and 715.65 is: 1,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.32 : 2,389.01 = 715.65 : x
  2. Step 2: Convert to fraction form
    1,593.32/2,389.01 = 715.65/x
  3. Step 3: Cross multiply
    1,593.32x = 2,389.01 × 715.65
  4. Step 4: Simplify right side
    1,593.32x = 1,709,691.43
  5. Step 5: Solve for x
    x = 1,709,691.43/1,593.32
  6. Step 6: Final answer
    x = 1,073.04

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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.