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Finding the Fourth Proportional to 44,636.60, 66,857.70 and 39,711.80

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Solution

The fourth proportional to 44,636.60, 66,857.70 and 39,711.80 is: 59,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,636.60 : 66,857.70 = 39,711.80 : x
  2. Step 2: Convert to fraction form
    44,636.60/66,857.70 = 39,711.80/x
  3. Step 3: Cross multiply
    44,636.60x = 66,857.70 × 39,711.80
  4. Step 4: Simplify right side
    44,636.60x = 2,655,039,610.86
  5. Step 5: Solve for x
    x = 2,655,039,610.86/44,636.60
  6. Step 6: Final answer
    x = 59,481.22

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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.