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Finding the Fourth Proportional to 63,991.66, 88,336.80 and 41,341.72

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Solution

The fourth proportional to 63,991.66, 88,336.80 and 41,341.72 is: 57,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.66 : 88,336.80 = 41,341.72 : x
  2. Step 2: Convert to fraction form
    63,991.66/88,336.80 = 41,341.72/x
  3. Step 3: Cross multiply
    63,991.66x = 88,336.80 × 41,341.72
  4. Step 4: Simplify right side
    63,991.66x = 3,651,995,251.30
  5. Step 5: Solve for x
    x = 3,651,995,251.30/63,991.66
  6. Step 6: Final answer
    x = 57,069.86

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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.