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Finding the Fourth Proportional to 63,615.46, 87,789.53 and 35,321.22

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Solution

The fourth proportional to 63,615.46, 87,789.53 and 35,321.22 is: 48,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.46 : 87,789.53 = 35,321.22 : x
  2. Step 2: Convert to fraction form
    63,615.46/87,789.53 = 35,321.22/x
  3. Step 3: Cross multiply
    63,615.46x = 87,789.53 × 35,321.22
  4. Step 4: Simplify right side
    63,615.46x = 3,100,833,302.83
  5. Step 5: Solve for x
    x = 3,100,833,302.83/63,615.46
  6. Step 6: Final answer
    x = 48,743.39

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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.