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Finding the Fourth Proportional to 8,169.76, 12,252.80 and 2,326.24

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Solution

The fourth proportional to 8,169.76, 12,252.80 and 2,326.24 is: 3,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.76 : 12,252.80 = 2,326.24 : x
  2. Step 2: Convert to fraction form
    8,169.76/12,252.80 = 2,326.24/x
  3. Step 3: Cross multiply
    8,169.76x = 12,252.80 × 2,326.24
  4. Step 4: Simplify right side
    8,169.76x = 28,502,953.47
  5. Step 5: Solve for x
    x = 28,502,953.47/8,169.76
  6. Step 6: Final answer
    x = 3,488.84

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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.