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Finding the Fourth Proportional to 83,599.86, 115,367.48 and 45,874.74

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Solution

The fourth proportional to 83,599.86, 115,367.48 and 45,874.74 is: 63,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,599.86 : 115,367.48 = 45,874.74 : x
  2. Step 2: Convert to fraction form
    83,599.86/115,367.48 = 45,874.74/x
  3. Step 3: Cross multiply
    83,599.86x = 115,367.48 × 45,874.74
  4. Step 4: Simplify right side
    83,599.86x = 5,292,453,149.46
  5. Step 5: Solve for x
    x = 5,292,453,149.46/83,599.86
  6. Step 6: Final answer
    x = 63,306.96

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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.