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Finding the Fourth Proportional to 63,888.84, 95,847.84 and 19,521.90

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Solution

The fourth proportional to 63,888.84, 95,847.84 and 19,521.90 is: 29,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.84 : 95,847.84 = 19,521.90 : x
  2. Step 2: Convert to fraction form
    63,888.84/95,847.84 = 19,521.90/x
  3. Step 3: Cross multiply
    63,888.84x = 95,847.84 × 19,521.90
  4. Step 4: Simplify right side
    63,888.84x = 1,871,131,947.70
  5. Step 5: Solve for x
    x = 1,871,131,947.70/63,888.84
  6. Step 6: Final answer
    x = 29,287.31

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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.