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Finding the Fourth Proportional to 56,737.51, 85,121.31 and 17,294.98

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Solution

The fourth proportional to 56,737.51, 85,121.31 and 17,294.98 is: 25,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.51 : 85,121.31 = 17,294.98 : x
  2. Step 2: Convert to fraction form
    56,737.51/85,121.31 = 17,294.98/x
  3. Step 3: Cross multiply
    56,737.51x = 85,121.31 × 17,294.98
  4. Step 4: Simplify right side
    56,737.51x = 1,472,171,354.02
  5. Step 5: Solve for x
    x = 1,472,171,354.02/56,737.51
  6. Step 6: Final answer
    x = 25,947.06

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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.