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Finding the Fourth Proportional to 73,251.13, 101,086.56 and 39,717.13

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Solution

The fourth proportional to 73,251.13, 101,086.56 and 39,717.13 is: 54,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.13 : 101,086.56 = 39,717.13 : x
  2. Step 2: Convert to fraction form
    73,251.13/101,086.56 = 39,717.13/x
  3. Step 3: Cross multiply
    73,251.13x = 101,086.56 × 39,717.13
  4. Step 4: Simplify right side
    73,251.13x = 4,014,868,044.77
  5. Step 5: Solve for x
    x = 4,014,868,044.77/73,251.13
  6. Step 6: Final answer
    x = 54,809.64

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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.