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Finding the Fourth Proportional to 8,731.02, 12,049.12 and 4,752.27

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Solution

The fourth proportional to 8,731.02, 12,049.12 and 4,752.27 is: 6,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.02 : 12,049.12 = 4,752.27 : x
  2. Step 2: Convert to fraction form
    8,731.02/12,049.12 = 4,752.27/x
  3. Step 3: Cross multiply
    8,731.02x = 12,049.12 × 4,752.27
  4. Step 4: Simplify right side
    8,731.02x = 57,260,677.44
  5. Step 5: Solve for x
    x = 57,260,677.44/8,731.02
  6. Step 6: Final answer
    x = 6,558.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.