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Finding the Fourth Proportional to 12,325.97, 18,488.88 and 4,932.14

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Solution

The fourth proportional to 12,325.97, 18,488.88 and 4,932.14 is: 7,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.97 : 18,488.88 = 4,932.14 : x
  2. Step 2: Convert to fraction form
    12,325.97/18,488.88 = 4,932.14/x
  3. Step 3: Cross multiply
    12,325.97x = 18,488.88 × 4,932.14
  4. Step 4: Simplify right side
    12,325.97x = 91,189,652.16
  5. Step 5: Solve for x
    x = 91,189,652.16/12,325.97
  6. Step 6: Final answer
    x = 7,398.18

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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.