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Finding the Fourth Proportional to 63,316.64, 87,375.89 and 35,022.31

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Solution

The fourth proportional to 63,316.64, 87,375.89 and 35,022.31 is: 48,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316.64 : 87,375.89 = 35,022.31 : x
  2. Step 2: Convert to fraction form
    63,316.64/87,375.89 = 35,022.31/x
  3. Step 3: Cross multiply
    63,316.64x = 87,375.89 × 35,022.31
  4. Step 4: Simplify right side
    63,316.64x = 3,060,104,894.11
  5. Step 5: Solve for x
    x = 3,060,104,894.11/63,316.64
  6. Step 6: Final answer
    x = 48,330.18

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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.