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Finding the Fourth Proportional to 59,169.20, 81,607.20 and 37,950.40

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Solution

The fourth proportional to 59,169.20, 81,607.20 and 37,950.40 is: 52,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,169.20 : 81,607.20 = 37,950.40 : x
  2. Step 2: Convert to fraction form
    59,169.20/81,607.20 = 37,950.40/x
  3. Step 3: Cross multiply
    59,169.20x = 81,607.20 × 37,950.40
  4. Step 4: Simplify right side
    59,169.20x = 3,097,025,882.88
  5. Step 5: Solve for x
    x = 3,097,025,882.88/59,169.20
  6. Step 6: Final answer
    x = 52,341.86

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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.