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Finding the Fourth Proportional to 12,894.96, 17,794.44 and 7,304.88

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Solution

The fourth proportional to 12,894.96, 17,794.44 and 7,304.88 is: 10,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.96 : 17,794.44 = 7,304.88 : x
  2. Step 2: Convert to fraction form
    12,894.96/17,794.44 = 7,304.88/x
  3. Step 3: Cross multiply
    12,894.96x = 17,794.44 × 7,304.88
  4. Step 4: Simplify right side
    12,894.96x = 129,986,248.87
  5. Step 5: Solve for x
    x = 129,986,248.87/12,894.96
  6. Step 6: Final answer
    x = 10,080.39

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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.