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Finding the Fourth Proportional to 63,568.52, 87,720.66 and 35,272.52

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Solution

The fourth proportional to 63,568.52, 87,720.66 and 35,272.52 is: 48,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568.52 : 87,720.66 = 35,272.52 : x
  2. Step 2: Convert to fraction form
    63,568.52/87,720.66 = 35,272.52/x
  3. Step 3: Cross multiply
    63,568.52x = 87,720.66 × 35,272.52
  4. Step 4: Simplify right side
    63,568.52x = 3,094,128,734.26
  5. Step 5: Solve for x
    x = 3,094,128,734.26/63,568.52
  6. Step 6: Final answer
    x = 48,673.91

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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.