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Finding the Fourth Proportional to 61,881.75, 92,824.45 and 15,134.63

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Solution

The fourth proportional to 61,881.75, 92,824.45 and 15,134.63 is: 22,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881.75 : 92,824.45 = 15,134.63 : x
  2. Step 2: Convert to fraction form
    61,881.75/92,824.45 = 15,134.63/x
  3. Step 3: Cross multiply
    61,881.75x = 92,824.45 × 15,134.63
  4. Step 4: Simplify right side
    61,881.75x = 1,404,863,203.74
  5. Step 5: Solve for x
    x = 1,404,863,203.74/61,881.75
  6. Step 6: Final answer
    x = 22,702.38

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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.