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Finding the Fourth Proportional to 63,808.18, 95,721.02 and 21,676.95

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Solution

The fourth proportional to 63,808.18, 95,721.02 and 21,676.95 is: 32,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,808.18 : 95,721.02 = 21,676.95 : x
  2. Step 2: Convert to fraction form
    63,808.18/95,721.02 = 21,676.95/x
  3. Step 3: Cross multiply
    63,808.18x = 95,721.02 × 21,676.95
  4. Step 4: Simplify right side
    63,808.18x = 2,074,939,818.68
  5. Step 5: Solve for x
    x = 2,074,939,818.68/63,808.18
  6. Step 6: Final answer
    x = 32,518.40

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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.