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Finding the Fourth Proportional to 71,925.56, 99,253.04 and 41,291.49

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Solution

The fourth proportional to 71,925.56, 99,253.04 and 41,291.49 is: 56,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.56 : 99,253.04 = 41,291.49 : x
  2. Step 2: Convert to fraction form
    71,925.56/99,253.04 = 41,291.49/x
  3. Step 3: Cross multiply
    71,925.56x = 99,253.04 × 41,291.49
  4. Step 4: Simplify right side
    71,925.56x = 4,098,305,908.63
  5. Step 5: Solve for x
    x = 4,098,305,908.63/71,925.56
  6. Step 6: Final answer
    x = 56,979.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.