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Finding the Fourth Proportional to 83,866.96, 115,733.44 and 45,625.44

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Solution

The fourth proportional to 83,866.96, 115,733.44 and 45,625.44 is: 62,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,866.96 : 115,733.44 = 45,625.44 : x
  2. Step 2: Convert to fraction form
    83,866.96/115,733.44 = 45,625.44/x
  3. Step 3: Cross multiply
    83,866.96x = 115,733.44 × 45,625.44
  4. Step 4: Simplify right side
    83,866.96x = 5,280,389,613.75
  5. Step 5: Solve for x
    x = 5,280,389,613.75/83,866.96
  6. Step 6: Final answer
    x = 62,961.50

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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.