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Finding the Fourth Proportional to 71,425.59, 107,153.40 and 27,051.36

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Solution

The fourth proportional to 71,425.59, 107,153.40 and 27,051.36 is: 40,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,425.59 : 107,153.40 = 27,051.36 : x
  2. Step 2: Convert to fraction form
    71,425.59/107,153.40 = 27,051.36/x
  3. Step 3: Cross multiply
    71,425.59x = 107,153.40 × 27,051.36
  4. Step 4: Simplify right side
    71,425.59x = 2,898,645,198.62
  5. Step 5: Solve for x
    x = 2,898,645,198.62/71,425.59
  6. Step 6: Final answer
    x = 40,582.73

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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.