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Finding the Fourth Proportional to 40,488.58, 60,732.88 and 21,742.83

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Solution

The fourth proportional to 40,488.58, 60,732.88 and 21,742.83 is: 32,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.58 : 60,732.88 = 21,742.83 : x
  2. Step 2: Convert to fraction form
    40,488.58/60,732.88 = 21,742.83/x
  3. Step 3: Cross multiply
    40,488.58x = 60,732.88 × 21,742.83
  4. Step 4: Simplify right side
    40,488.58x = 1,320,504,630.89
  5. Step 5: Solve for x
    x = 1,320,504,630.89/40,488.58
  6. Step 6: Final answer
    x = 32,614.25

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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.