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Finding the Fourth Proportional to 61,909.32, 92,900.87 and 22,469.51

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Solution

The fourth proportional to 61,909.32, 92,900.87 and 22,469.51 is: 33,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909.32 : 92,900.87 = 22,469.51 : x
  2. Step 2: Convert to fraction form
    61,909.32/92,900.87 = 22,469.51/x
  3. Step 3: Cross multiply
    61,909.32x = 92,900.87 × 22,469.51
  4. Step 4: Simplify right side
    61,909.32x = 2,087,437,027.47
  5. Step 5: Solve for x
    x = 2,087,437,027.47/61,909.32
  6. Step 6: Final answer
    x = 33,717.65

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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.