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Finding the Fourth Proportional to 8,046.65, 12,044.55 and 7,200.32

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Solution

The fourth proportional to 8,046.65, 12,044.55 and 7,200.32 is: 10,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.65 : 12,044.55 = 7,200.32 : x
  2. Step 2: Convert to fraction form
    8,046.65/12,044.55 = 7,200.32/x
  3. Step 3: Cross multiply
    8,046.65x = 12,044.55 × 7,200.32
  4. Step 4: Simplify right side
    8,046.65x = 86,724,540.53
  5. Step 5: Solve for x
    x = 86,724,540.53/8,046.65
  6. Step 6: Final answer
    x = 10,777.72

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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.