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Finding the Fourth Proportional to 24,069.28, 36,107.76 and 8,484.64

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Solution

The fourth proportional to 24,069.28, 36,107.76 and 8,484.64 is: 12,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,069.28 : 36,107.76 = 8,484.64 : x
  2. Step 2: Convert to fraction form
    24,069.28/36,107.76 = 8,484.64/x
  3. Step 3: Cross multiply
    24,069.28x = 36,107.76 × 8,484.64
  4. Step 4: Simplify right side
    24,069.28x = 306,361,344.81
  5. Step 5: Solve for x
    x = 306,361,344.81/24,069.28
  6. Step 6: Final answer
    x = 12,728.31

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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.