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Finding the Fourth Proportional to 63,434.94, 87,536.43 and 34,748.85

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Solution

The fourth proportional to 63,434.94, 87,536.43 and 34,748.85 is: 47,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,434.94 : 87,536.43 = 34,748.85 : x
  2. Step 2: Convert to fraction form
    63,434.94/87,536.43 = 34,748.85/x
  3. Step 3: Cross multiply
    63,434.94x = 87,536.43 × 34,748.85
  4. Step 4: Simplify right side
    63,434.94x = 3,041,790,275.61
  5. Step 5: Solve for x
    x = 3,041,790,275.61/63,434.94
  6. Step 6: Final answer
    x = 47,951.34

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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.