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Finding the Fourth Proportional to 82,920.60, 124,397.10 and 32,992.20

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Solution

The fourth proportional to 82,920.60, 124,397.10 and 32,992.20 is: 49,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.60 : 124,397.10 = 32,992.20 : x
  2. Step 2: Convert to fraction form
    82,920.60/124,397.10 = 32,992.20/x
  3. Step 3: Cross multiply
    82,920.60x = 124,397.10 × 32,992.20
  4. Step 4: Simplify right side
    82,920.60x = 4,104,134,002.62
  5. Step 5: Solve for x
    x = 4,104,134,002.62/82,920.60
  6. Step 6: Final answer
    x = 49,494.75

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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.