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Finding the Fourth Proportional to 36,282.98, 54,425.64 and 9,987.86

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Solution

The fourth proportional to 36,282.98, 54,425.64 and 9,987.86 is: 14,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,282.98 : 54,425.64 = 9,987.86 : x
  2. Step 2: Convert to fraction form
    36,282.98/54,425.64 = 9,987.86/x
  3. Step 3: Cross multiply
    36,282.98x = 54,425.64 × 9,987.86
  4. Step 4: Simplify right side
    36,282.98x = 543,595,672.73
  5. Step 5: Solve for x
    x = 543,595,672.73/36,282.98
  6. Step 6: Final answer
    x = 14,982.11

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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.