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Finding the Fourth Proportional to 44,761.70, 67,128.80 and 14,770.40

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Solution

The fourth proportional to 44,761.70, 67,128.80 and 14,770.40 is: 22,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,761.70 : 67,128.80 = 14,770.40 : x
  2. Step 2: Convert to fraction form
    44,761.70/67,128.80 = 14,770.40/x
  3. Step 3: Cross multiply
    44,761.70x = 67,128.80 × 14,770.40
  4. Step 4: Simplify right side
    44,761.70x = 991,519,227.52
  5. Step 5: Solve for x
    x = 991,519,227.52/44,761.70
  6. Step 6: Final answer
    x = 22,151.06

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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.