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Finding the Fourth Proportional to 63,164.08, 87,198 and 39,298.48

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Solution

The fourth proportional to 63,164.08, 87,198 and 39,298.48 is: 54,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,164.08 : 87,198 = 39,298.48 : x
  2. Step 2: Convert to fraction form
    63,164.08/87,198 = 39,298.48/x
  3. Step 3: Cross multiply
    63,164.08x = 87,198 × 39,298.48
  4. Step 4: Simplify right side
    63,164.08x = 3,426,748,859.04
  5. Step 5: Solve for x
    x = 3,426,748,859.04/63,164.08
  6. Step 6: Final answer
    x = 54,251.54

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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.