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Finding the Fourth Proportional to 24,216.76, 36,316.38 and 8,631.28

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Solution

The fourth proportional to 24,216.76, 36,316.38 and 8,631.28 is: 12,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,216.76 : 36,316.38 = 8,631.28 : x
  2. Step 2: Convert to fraction form
    24,216.76/36,316.38 = 8,631.28/x
  3. Step 3: Cross multiply
    24,216.76x = 36,316.38 × 8,631.28
  4. Step 4: Simplify right side
    24,216.76x = 313,456,844.37
  5. Step 5: Solve for x
    x = 313,456,844.37/24,216.76
  6. Step 6: Final answer
    x = 12,943.80

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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.