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Finding the Fourth Proportional to 59,243.78, 81,756.96 and 32,385.80

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Solution

The fourth proportional to 59,243.78, 81,756.96 and 32,385.80 is: 44,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,243.78 : 81,756.96 = 32,385.80 : x
  2. Step 2: Convert to fraction form
    59,243.78/81,756.96 = 32,385.80/x
  3. Step 3: Cross multiply
    59,243.78x = 81,756.96 × 32,385.80
  4. Step 4: Simplify right side
    59,243.78x = 2,647,764,555.17
  5. Step 5: Solve for x
    x = 2,647,764,555.17/59,243.78
  6. Step 6: Final answer
    x = 44,692.70

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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.