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Finding the Fourth Proportional to 32,691.08, 44,972.13 and 28,639.67

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Solution

The fourth proportional to 32,691.08, 44,972.13 and 28,639.67 is: 39,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,691.08 : 44,972.13 = 28,639.67 : x
  2. Step 2: Convert to fraction form
    32,691.08/44,972.13 = 28,639.67/x
  3. Step 3: Cross multiply
    32,691.08x = 44,972.13 × 28,639.67
  4. Step 4: Simplify right side
    32,691.08x = 1,287,986,630.14
  5. Step 5: Solve for x
    x = 1,287,986,630.14/32,691.08
  6. Step 6: Final answer
    x = 39,398.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.