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Finding the Fourth Proportional to 1,715.46, 2,367.33 and 929.50

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Solution

The fourth proportional to 1,715.46, 2,367.33 and 929.50 is: 1,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.46 : 2,367.33 = 929.50 : x
  2. Step 2: Convert to fraction form
    1,715.46/2,367.33 = 929.50/x
  3. Step 3: Cross multiply
    1,715.46x = 2,367.33 × 929.50
  4. Step 4: Simplify right side
    1,715.46x = 2,200,433.24
  5. Step 5: Solve for x
    x = 2,200,433.24/1,715.46
  6. Step 6: Final answer
    x = 1,282.71

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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.