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Finding the Fourth Proportional to 61,737.36, 92,607.92 and 19,617.88

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Solution

The fourth proportional to 61,737.36, 92,607.92 and 19,617.88 is: 29,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,737.36 : 92,607.92 = 19,617.88 : x
  2. Step 2: Convert to fraction form
    61,737.36/92,607.92 = 19,617.88/x
  3. Step 3: Cross multiply
    61,737.36x = 92,607.92 × 19,617.88
  4. Step 4: Simplify right side
    61,737.36x = 1,816,771,061.61
  5. Step 5: Solve for x
    x = 1,816,771,061.61/61,737.36
  6. Step 6: Final answer
    x = 29,427.42

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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.