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Finding the Fourth Proportional to 63,002.90, 86,943.03 and 34,709.60

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Solution

The fourth proportional to 63,002.90, 86,943.03 and 34,709.60 is: 47,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,002.90 : 86,943.03 = 34,709.60 : x
  2. Step 2: Convert to fraction form
    63,002.90/86,943.03 = 34,709.60/x
  3. Step 3: Cross multiply
    63,002.90x = 86,943.03 × 34,709.60
  4. Step 4: Simplify right side
    63,002.90x = 3,017,757,794.09
  5. Step 5: Solve for x
    x = 3,017,757,794.09/63,002.90
  6. Step 6: Final answer
    x = 47,898.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.