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Finding the Fourth Proportional to 63,471, 87,589.98 and 35,180.94

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Solution

The fourth proportional to 63,471, 87,589.98 and 35,180.94 is: 48,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471 : 87,589.98 = 35,180.94 : x
  2. Step 2: Convert to fraction form
    63,471/87,589.98 = 35,180.94/x
  3. Step 3: Cross multiply
    63,471x = 87,589.98 × 35,180.94
  4. Step 4: Simplify right side
    63,471x = 3,081,497,830.98
  5. Step 5: Solve for x
    x = 3,081,497,830.98/63,471
  6. Step 6: Final answer
    x = 48,549.70

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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.