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Finding the Fourth Proportional to 71,575.60, 107,381.46 and 50,556.88

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Solution

The fourth proportional to 71,575.60, 107,381.46 and 50,556.88 is: 75,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.60 : 107,381.46 = 50,556.88 : x
  2. Step 2: Convert to fraction form
    71,575.60/107,381.46 = 50,556.88/x
  3. Step 3: Cross multiply
    71,575.60x = 107,381.46 × 50,556.88
  4. Step 4: Simplify right side
    71,575.60x = 5,428,871,587.44
  5. Step 5: Solve for x
    x = 5,428,871,587.44/71,575.60
  6. Step 6: Final answer
    x = 75,848.08

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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.