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Finding the Fourth Proportional to 18,306.01, 25,262.99 and 10,349.11

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Solution

The fourth proportional to 18,306.01, 25,262.99 and 10,349.11 is: 14,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.01 : 25,262.99 = 10,349.11 : x
  2. Step 2: Convert to fraction form
    18,306.01/25,262.99 = 10,349.11/x
  3. Step 3: Cross multiply
    18,306.01x = 25,262.99 × 10,349.11
  4. Step 4: Simplify right side
    18,306.01x = 261,449,462.44
  5. Step 5: Solve for x
    x = 261,449,462.44/18,306.01
  6. Step 6: Final answer
    x = 14,282.17

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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.