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Finding the Fourth Proportional to 71,594.88, 107,404.80 and 27,225.60

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Solution

The fourth proportional to 71,594.88, 107,404.80 and 27,225.60 is: 40,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.88 : 107,404.80 = 27,225.60 : x
  2. Step 2: Convert to fraction form
    71,594.88/107,404.80 = 27,225.60/x
  3. Step 3: Cross multiply
    71,594.88x = 107,404.80 × 27,225.60
  4. Step 4: Simplify right side
    71,594.88x = 2,924,160,122.88
  5. Step 5: Solve for x
    x = 2,924,160,122.88/71,594.88
  6. Step 6: Final answer
    x = 40,843.15

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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.