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Finding the Fourth Proportional to 71,353.60, 107,031.60 and 27,001.24

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Solution

The fourth proportional to 71,353.60, 107,031.60 and 27,001.24 is: 40,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.60 : 107,031.60 = 27,001.24 : x
  2. Step 2: Convert to fraction form
    71,353.60/107,031.60 = 27,001.24/x
  3. Step 3: Cross multiply
    71,353.60x = 107,031.60 × 27,001.24
  4. Step 4: Simplify right side
    71,353.60x = 2,889,985,919.18
  5. Step 5: Solve for x
    x = 2,889,985,919.18/71,353.60
  6. Step 6: Final answer
    x = 40,502.31

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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.