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Finding the Fourth Proportional to 63,824.32, 88,074.11 and 35,138.39

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Solution

The fourth proportional to 63,824.32, 88,074.11 and 35,138.39 is: 48,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,824.32 : 88,074.11 = 35,138.39 : x
  2. Step 2: Convert to fraction form
    63,824.32/88,074.11 = 35,138.39/x
  3. Step 3: Cross multiply
    63,824.32x = 88,074.11 × 35,138.39
  4. Step 4: Simplify right side
    63,824.32x = 3,094,782,250.39
  5. Step 5: Solve for x
    x = 3,094,782,250.39/63,824.32
  6. Step 6: Final answer
    x = 48,489.08

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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.