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Finding the Fourth Proportional to 32,874.99, 45,373.17 and 31,781.49

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Solution

The fourth proportional to 32,874.99, 45,373.17 and 31,781.49 is: 43,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,874.99 : 45,373.17 = 31,781.49 : x
  2. Step 2: Convert to fraction form
    32,874.99/45,373.17 = 31,781.49/x
  3. Step 3: Cross multiply
    32,874.99x = 45,373.17 × 31,781.49
  4. Step 4: Simplify right side
    32,874.99x = 1,442,026,948.62
  5. Step 5: Solve for x
    x = 1,442,026,948.62/32,874.99
  6. Step 6: Final answer
    x = 43,863.95

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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.