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Finding the Fourth Proportional to 1,715.49, 2,367.36 and 929.52

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Solution

The fourth proportional to 1,715.49, 2,367.36 and 929.52 is: 1,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.49 : 2,367.36 = 929.52 : x
  2. Step 2: Convert to fraction form
    1,715.49/2,367.36 = 929.52/x
  3. Step 3: Cross multiply
    1,715.49x = 2,367.36 × 929.52
  4. Step 4: Simplify right side
    1,715.49x = 2,200,508.47
  5. Step 5: Solve for x
    x = 2,200,508.47/1,715.49
  6. Step 6: Final answer
    x = 1,282.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.