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Finding the Fourth Proportional to 63,893.84, 95,855.34 and 19,526.90

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Solution

The fourth proportional to 63,893.84, 95,855.34 and 19,526.90 is: 29,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,893.84 : 95,855.34 = 19,526.90 : x
  2. Step 2: Convert to fraction form
    63,893.84/95,855.34 = 19,526.90/x
  3. Step 3: Cross multiply
    63,893.84x = 95,855.34 × 19,526.90
  4. Step 4: Simplify right side
    63,893.84x = 1,871,757,638.65
  5. Step 5: Solve for x
    x = 1,871,757,638.65/63,893.84
  6. Step 6: Final answer
    x = 29,294.81

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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.