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Finding the Fourth Proportional to 1,062.67, 1,593.23 and 715.14

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Solution

The fourth proportional to 1,062.67, 1,593.23 and 715.14 is: 1,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.67 : 1,593.23 = 715.14 : x
  2. Step 2: Convert to fraction form
    1,062.67/1,593.23 = 715.14/x
  3. Step 3: Cross multiply
    1,062.67x = 1,593.23 × 715.14
  4. Step 4: Simplify right side
    1,062.67x = 1,139,384.29
  5. Step 5: Solve for x
    x = 1,139,384.29/1,062.67
  6. Step 6: Final answer
    x = 1,072.19

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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.