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Finding the Fourth Proportional to 61,484.12, 92,239.13 and 19,927.88

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Solution

The fourth proportional to 61,484.12, 92,239.13 and 19,927.88 is: 29,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,484.12 : 92,239.13 = 19,927.88 : x
  2. Step 2: Convert to fraction form
    61,484.12/92,239.13 = 19,927.88/x
  3. Step 3: Cross multiply
    61,484.12x = 92,239.13 × 19,927.88
  4. Step 4: Simplify right side
    61,484.12x = 1,838,129,902.57
  5. Step 5: Solve for x
    x = 1,838,129,902.57/61,484.12
  6. Step 6: Final answer
    x = 29,896.01

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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.