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Finding the Fourth Proportional to 65,875.01, 98,815.24 and 19,127.88

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Solution

The fourth proportional to 65,875.01, 98,815.24 and 19,127.88 is: 28,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.01 : 98,815.24 = 19,127.88 : x
  2. Step 2: Convert to fraction form
    65,875.01/98,815.24 = 19,127.88/x
  3. Step 3: Cross multiply
    65,875.01x = 98,815.24 × 19,127.88
  4. Step 4: Simplify right side
    65,875.01x = 1,890,126,076.80
  5. Step 5: Solve for x
    x = 1,890,126,076.80/65,875.01
  6. Step 6: Final answer
    x = 28,692.61

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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.