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Finding the Fourth Proportional to 12,404.97, 18,588 and 10,548.45

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Solution

The fourth proportional to 12,404.97, 18,588 and 10,548.45 is: 15,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.97 : 18,588 = 10,548.45 : x
  2. Step 2: Convert to fraction form
    12,404.97/18,588 = 10,548.45/x
  3. Step 3: Cross multiply
    12,404.97x = 18,588 × 10,548.45
  4. Step 4: Simplify right side
    12,404.97x = 196,074,588.60
  5. Step 5: Solve for x
    x = 196,074,588.60/12,404.97
  6. Step 6: Final answer
    x = 15,806.13

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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.