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Finding the Fourth Proportional to 75,251.65, 112,889.16 and 25,327.86

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Solution

The fourth proportional to 75,251.65, 112,889.16 and 25,327.86 is: 37,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,251.65 : 112,889.16 = 25,327.86 : x
  2. Step 2: Convert to fraction form
    75,251.65/112,889.16 = 25,327.86/x
  3. Step 3: Cross multiply
    75,251.65x = 112,889.16 × 25,327.86
  4. Step 4: Simplify right side
    75,251.65x = 2,859,240,840.00
  5. Step 5: Solve for x
    x = 2,859,240,840.00/75,251.65
  6. Step 6: Final answer
    x = 37,995.72

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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.