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Finding the Fourth Proportional to 5,046.98, 7,569.34 and 1,715.00

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Solution

The fourth proportional to 5,046.98, 7,569.34 and 1,715.00 is: 2,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046.98 : 7,569.34 = 1,715.00 : x
  2. Step 2: Convert to fraction form
    5,046.98/7,569.34 = 1,715.00/x
  3. Step 3: Cross multiply
    5,046.98x = 7,569.34 × 1,715.00
  4. Step 4: Simplify right side
    5,046.98x = 12,981,375.97
  5. Step 5: Solve for x
    x = 12,981,375.97/5,046.98
  6. Step 6: Final answer
    x = 2,572.11

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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.