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Finding the Fourth Proportional to 8,752.60, 13,115.93 and 7,203.61

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Solution

The fourth proportional to 8,752.60, 13,115.93 and 7,203.61 is: 10,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.60 : 13,115.93 = 7,203.61 : x
  2. Step 2: Convert to fraction form
    8,752.60/13,115.93 = 7,203.61/x
  3. Step 3: Cross multiply
    8,752.60x = 13,115.93 × 7,203.61
  4. Step 4: Simplify right side
    8,752.60x = 94,481,942.91
  5. Step 5: Solve for x
    x = 94,481,942.91/8,752.60
  6. Step 6: Final answer
    x = 10,794.73

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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.