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Finding the Fourth Proportional to 61,686.80, 92,473.48 and 22,234.28

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Solution

The fourth proportional to 61,686.80, 92,473.48 and 22,234.28 is: 33,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686.80 : 92,473.48 = 22,234.28 : x
  2. Step 2: Convert to fraction form
    61,686.80/92,473.48 = 22,234.28/x
  3. Step 3: Cross multiply
    61,686.80x = 92,473.48 × 22,234.28
  4. Step 4: Simplify right side
    61,686.80x = 2,056,081,246.89
  5. Step 5: Solve for x
    x = 2,056,081,246.89/61,686.80
  6. Step 6: Final answer
    x = 33,330.98

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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.