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Finding the Fourth Proportional to 63,366.76, 87,455.70 and 36,513.24

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Solution

The fourth proportional to 63,366.76, 87,455.70 and 36,513.24 is: 50,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,366.76 : 87,455.70 = 36,513.24 : x
  2. Step 2: Convert to fraction form
    63,366.76/87,455.70 = 36,513.24/x
  3. Step 3: Cross multiply
    63,366.76x = 87,455.70 × 36,513.24
  4. Step 4: Simplify right side
    63,366.76x = 3,193,290,963.47
  5. Step 5: Solve for x
    x = 3,193,290,963.47/63,366.76
  6. Step 6: Final answer
    x = 50,393.79

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1.5x scale

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.