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Finding the Fourth Proportional to 1,147.96, 1,713.14 and 1,024.94

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Solution

The fourth proportional to 1,147.96, 1,713.14 and 1,024.94 is: 1,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.96 : 1,713.14 = 1,024.94 : x
  2. Step 2: Convert to fraction form
    1,147.96/1,713.14 = 1,024.94/x
  3. Step 3: Cross multiply
    1,147.96x = 1,713.14 × 1,024.94
  4. Step 4: Simplify right side
    1,147.96x = 1,755,865.71
  5. Step 5: Solve for x
    x = 1,755,865.71/1,147.96
  6. Step 6: Final answer
    x = 1,529.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.