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Finding the Fourth Proportional to 63,888.34, 95,847.09 and 19,521.40

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Solution

The fourth proportional to 63,888.34, 95,847.09 and 19,521.40 is: 29,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.34 : 95,847.09 = 19,521.40 : x
  2. Step 2: Convert to fraction form
    63,888.34/95,847.09 = 19,521.40/x
  3. Step 3: Cross multiply
    63,888.34x = 95,847.09 × 19,521.40
  4. Step 4: Simplify right side
    63,888.34x = 1,871,069,382.73
  5. Step 5: Solve for x
    x = 1,871,069,382.73/63,888.34
  6. Step 6: Final answer
    x = 29,286.55

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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.