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Finding the Fourth Proportional to 61,522.92, 92,298.78 and 19,969.92

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Solution

The fourth proportional to 61,522.92, 92,298.78 and 19,969.92 is: 29,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,522.92 : 92,298.78 = 19,969.92 : x
  2. Step 2: Convert to fraction form
    61,522.92/92,298.78 = 19,969.92/x
  3. Step 3: Cross multiply
    61,522.92x = 92,298.78 × 19,969.92
  4. Step 4: Simplify right side
    61,522.92x = 1,843,199,252.70
  5. Step 5: Solve for x
    x = 1,843,199,252.70/61,522.92
  6. Step 6: Final answer
    x = 29,959.55

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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.