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Finding the Fourth Proportional to 63,881.14, 95,821.70 and 28,830.82

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Solution

The fourth proportional to 63,881.14, 95,821.70 and 28,830.82 is: 43,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,881.14 : 95,821.70 = 28,830.82 : x
  2. Step 2: Convert to fraction form
    63,881.14/95,821.70 = 28,830.82/x
  3. Step 3: Cross multiply
    63,881.14x = 95,821.70 × 28,830.82
  4. Step 4: Simplify right side
    63,881.14x = 2,762,618,184.79
  5. Step 5: Solve for x
    x = 2,762,618,184.79/63,881.14
  6. Step 6: Final answer
    x = 43,246.23

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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.