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Finding the Fourth Proportional to 61,709.94, 92,545.68 and 22,261.89

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Solution

The fourth proportional to 61,709.94, 92,545.68 and 22,261.89 is: 33,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.94 : 92,545.68 = 22,261.89 : x
  2. Step 2: Convert to fraction form
    61,709.94/92,545.68 = 22,261.89/x
  3. Step 3: Cross multiply
    61,709.94x = 92,545.68 × 22,261.89
  4. Step 4: Simplify right side
    61,709.94x = 2,060,241,748.14
  5. Step 5: Solve for x
    x = 2,060,241,748.14/61,709.94
  6. Step 6: Final answer
    x = 33,385.90

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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.