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Finding the Fourth Proportional to 63,207.20, 87,223.88 and 35,981.62

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Solution

The fourth proportional to 63,207.20, 87,223.88 and 35,981.62 is: 49,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,207.20 : 87,223.88 = 35,981.62 : x
  2. Step 2: Convert to fraction form
    63,207.20/87,223.88 = 35,981.62/x
  3. Step 3: Cross multiply
    63,207.20x = 87,223.88 × 35,981.62
  4. Step 4: Simplify right side
    63,207.20x = 3,138,456,351.68
  5. Step 5: Solve for x
    x = 3,138,456,351.68/63,207.20
  6. Step 6: Final answer
    x = 49,653.46

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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.