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Finding the Fourth Proportional to 63,713.22, 87,916.59 and 35,028.15

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Solution

The fourth proportional to 63,713.22, 87,916.59 and 35,028.15 is: 48,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,713.22 : 87,916.59 = 35,028.15 : x
  2. Step 2: Convert to fraction form
    63,713.22/87,916.59 = 35,028.15/x
  3. Step 3: Cross multiply
    63,713.22x = 87,916.59 × 35,028.15
  4. Step 4: Simplify right side
    63,713.22x = 3,079,555,502.01
  5. Step 5: Solve for x
    x = 3,079,555,502.01/63,713.22
  6. Step 6: Final answer
    x = 48,334.64

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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.