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Finding the Fourth Proportional to 36,498.60, 54,747.90 and 10,203.30

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Solution

The fourth proportional to 36,498.60, 54,747.90 and 10,203.30 is: 15,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,498.60 : 54,747.90 = 10,203.30 : x
  2. Step 2: Convert to fraction form
    36,498.60/54,747.90 = 10,203.30/x
  3. Step 3: Cross multiply
    36,498.60x = 54,747.90 × 10,203.30
  4. Step 4: Simplify right side
    36,498.60x = 558,609,248.07
  5. Step 5: Solve for x
    x = 558,609,248.07/36,498.60
  6. Step 6: Final answer
    x = 15,304.95

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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.