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Finding the Fourth Proportional to 60,375.76, 90,445.72 and 39,536.08

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Solution

The fourth proportional to 60,375.76, 90,445.72 and 39,536.08 is: 59,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,375.76 : 90,445.72 = 39,536.08 : x
  2. Step 2: Convert to fraction form
    60,375.76/90,445.72 = 39,536.08/x
  3. Step 3: Cross multiply
    60,375.76x = 90,445.72 × 39,536.08
  4. Step 4: Simplify right side
    60,375.76x = 3,575,869,221.58
  5. Step 5: Solve for x
    x = 3,575,869,221.58/60,375.76
  6. Step 6: Final answer
    x = 59,226.90

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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.