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Finding the Fourth Proportional to 63,615.25, 87,789.06 and 35,321.14

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Solution

The fourth proportional to 63,615.25, 87,789.06 and 35,321.14 is: 48,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.25 : 87,789.06 = 35,321.14 : x
  2. Step 2: Convert to fraction form
    63,615.25/87,789.06 = 35,321.14/x
  3. Step 3: Cross multiply
    63,615.25x = 87,789.06 × 35,321.14
  4. Step 4: Simplify right side
    63,615.25x = 3,100,809,678.73
  5. Step 5: Solve for x
    x = 3,100,809,678.73/63,615.25
  6. Step 6: Final answer
    x = 48,743.18

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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.