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Finding the Fourth Proportional to 71,358.60, 107,039.10 and 27,006.24

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Solution

The fourth proportional to 71,358.60, 107,039.10 and 27,006.24 is: 40,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,358.60 : 107,039.10 = 27,006.24 : x
  2. Step 2: Convert to fraction form
    71,358.60/107,039.10 = 27,006.24/x
  3. Step 3: Cross multiply
    71,358.60x = 107,039.10 × 27,006.24
  4. Step 4: Simplify right side
    71,358.60x = 2,890,723,623.98
  5. Step 5: Solve for x
    x = 2,890,723,623.98/71,358.60
  6. Step 6: Final answer
    x = 40,509.81

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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.