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Finding the Fourth Proportional to 65,882.90, 98,833.94 and 21,498.73

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Solution

The fourth proportional to 65,882.90, 98,833.94 and 21,498.73 is: 32,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882.90 : 98,833.94 = 21,498.73 : x
  2. Step 2: Convert to fraction form
    65,882.90/98,833.94 = 21,498.73/x
  3. Step 3: Cross multiply
    65,882.90x = 98,833.94 × 21,498.73
  4. Step 4: Simplify right side
    65,882.90x = 2,124,803,589.23
  5. Step 5: Solve for x
    x = 2,124,803,589.23/65,882.90
  6. Step 6: Final answer
    x = 32,251.22

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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.