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Finding the Fourth Proportional to 24,112.32, 36,159.44 and 8,312.88

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Solution

The fourth proportional to 24,112.32, 36,159.44 and 8,312.88 is: 12,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,112.32 : 36,159.44 = 8,312.88 : x
  2. Step 2: Convert to fraction form
    24,112.32/36,159.44 = 8,312.88/x
  3. Step 3: Cross multiply
    24,112.32x = 36,159.44 × 8,312.88
  4. Step 4: Simplify right side
    24,112.32x = 300,589,085.59
  5. Step 5: Solve for x
    x = 300,589,085.59/24,112.32
  6. Step 6: Final answer
    x = 12,466.20

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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.