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Finding the Fourth Proportional to 61,886.68, 92,829.90 and 22,443.64

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Solution

The fourth proportional to 61,886.68, 92,829.90 and 22,443.64 is: 33,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886.68 : 92,829.90 = 22,443.64 : x
  2. Step 2: Convert to fraction form
    61,886.68/92,829.90 = 22,443.64/x
  3. Step 3: Cross multiply
    61,886.68x = 92,829.90 × 22,443.64
  4. Step 4: Simplify right side
    61,886.68x = 2,083,440,856.84
  5. Step 5: Solve for x
    x = 2,083,440,856.84/61,886.68
  6. Step 6: Final answer
    x = 33,665.42

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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.