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Finding the Fourth Proportional to 24,630.98, 36,938.62 and 7,987.10

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Solution

The fourth proportional to 24,630.98, 36,938.62 and 7,987.10 is: 11,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,630.98 : 36,938.62 = 7,987.10 : x
  2. Step 2: Convert to fraction form
    24,630.98/36,938.62 = 7,987.10/x
  3. Step 3: Cross multiply
    24,630.98x = 36,938.62 × 7,987.10
  4. Step 4: Simplify right side
    24,630.98x = 295,032,451.80
  5. Step 5: Solve for x
    x = 295,032,451.80/24,630.98
  6. Step 6: Final answer
    x = 11,978.10

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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.