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Finding the Fourth Proportional to 63,790.63, 88,031.07 and 36,934.54

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Solution

The fourth proportional to 63,790.63, 88,031.07 and 36,934.54 is: 50,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,790.63 : 88,031.07 = 36,934.54 : x
  2. Step 2: Convert to fraction form
    63,790.63/88,031.07 = 36,934.54/x
  3. Step 3: Cross multiply
    63,790.63x = 88,031.07 × 36,934.54
  4. Step 4: Simplify right side
    63,790.63x = 3,251,386,856.08
  5. Step 5: Solve for x
    x = 3,251,386,856.08/63,790.63
  6. Step 6: Final answer
    x = 50,969.66

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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.