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Finding the Fourth Proportional to 61,123.84, 91,609.28 and 33,042.88

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Solution

The fourth proportional to 61,123.84, 91,609.28 and 33,042.88 is: 49,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,123.84 : 91,609.28 = 33,042.88 : x
  2. Step 2: Convert to fraction form
    61,123.84/91,609.28 = 33,042.88/x
  3. Step 3: Cross multiply
    61,123.84x = 91,609.28 × 33,042.88
  4. Step 4: Simplify right side
    61,123.84x = 3,027,034,445.93
  5. Step 5: Solve for x
    x = 3,027,034,445.93/61,123.84
  6. Step 6: Final answer
    x = 49,522.98

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1.5x scale

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.