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Finding the Fourth Proportional to 24,631.87, 36,952.99 and 7,990.60

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Solution

The fourth proportional to 24,631.87, 36,952.99 and 7,990.60 is: 11,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,631.87 : 36,952.99 = 7,990.60 : x
  2. Step 2: Convert to fraction form
    24,631.87/36,952.99 = 7,990.60/x
  3. Step 3: Cross multiply
    24,631.87x = 36,952.99 × 7,990.60
  4. Step 4: Simplify right side
    24,631.87x = 295,276,561.89
  5. Step 5: Solve for x
    x = 295,276,561.89/24,631.87
  6. Step 6: Final answer
    x = 11,987.58

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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.