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Finding the Fourth Proportional to 12,844.60, 17,700.98 and 9,253.20

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Solution

The fourth proportional to 12,844.60, 17,700.98 and 9,253.20 is: 12,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.60 : 17,700.98 = 9,253.20 : x
  2. Step 2: Convert to fraction form
    12,844.60/17,700.98 = 9,253.20/x
  3. Step 3: Cross multiply
    12,844.60x = 17,700.98 × 9,253.20
  4. Step 4: Simplify right side
    12,844.60x = 163,790,708.14
  5. Step 5: Solve for x
    x = 163,790,708.14/12,844.60
  6. Step 6: Final answer
    x = 12,751.72

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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.