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Finding the Fourth Proportional to 63,995.87, 96,008.90 and 21,876.38

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Solution

The fourth proportional to 63,995.87, 96,008.90 and 21,876.38 is: 32,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,995.87 : 96,008.90 = 21,876.38 : x
  2. Step 2: Convert to fraction form
    63,995.87/96,008.90 = 21,876.38/x
  3. Step 3: Cross multiply
    63,995.87x = 96,008.90 × 21,876.38
  4. Step 4: Simplify right side
    63,995.87x = 2,100,326,950.39
  5. Step 5: Solve for x
    x = 2,100,326,950.39/63,995.87
  6. Step 6: Final answer
    x = 32,819.73

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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.