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Finding the Fourth Proportional to 63,904.60, 95,856.90 and 17,162.20

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Solution

The fourth proportional to 63,904.60, 95,856.90 and 17,162.20 is: 25,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,904.60 : 95,856.90 = 17,162.20 : x
  2. Step 2: Convert to fraction form
    63,904.60/95,856.90 = 17,162.20/x
  3. Step 3: Cross multiply
    63,904.60x = 95,856.90 × 17,162.20
  4. Step 4: Simplify right side
    63,904.60x = 1,645,115,289.18
  5. Step 5: Solve for x
    x = 1,645,115,289.18/63,904.60
  6. Step 6: Final answer
    x = 25,743.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.