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Finding the Fourth Proportional to 63,362.87, 95,065.41 and 21,247.11

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Solution

The fourth proportional to 63,362.87, 95,065.41 and 21,247.11 is: 31,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,362.87 : 95,065.41 = 21,247.11 : x
  2. Step 2: Convert to fraction form
    63,362.87/95,065.41 = 21,247.11/x
  3. Step 3: Cross multiply
    63,362.87x = 95,065.41 × 21,247.11
  4. Step 4: Simplify right side
    63,362.87x = 2,019,865,223.47
  5. Step 5: Solve for x
    x = 2,019,865,223.47/63,362.87
  6. Step 6: Final answer
    x = 31,877.74

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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.