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Finding the Fourth Proportional to 75,437.52, 113,168.52 and 25,520.65

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Solution

The fourth proportional to 75,437.52, 113,168.52 and 25,520.65 is: 38,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,437.52 : 113,168.52 = 25,520.65 : x
  2. Step 2: Convert to fraction form
    75,437.52/113,168.52 = 25,520.65/x
  3. Step 3: Cross multiply
    75,437.52x = 113,168.52 × 25,520.65
  4. Step 4: Simplify right side
    75,437.52x = 2,888,134,189.94
  5. Step 5: Solve for x
    x = 2,888,134,189.94/75,437.52
  6. Step 6: Final answer
    x = 38,285.12

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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.