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Finding the Fourth Proportional to 18,462.67, 25,475.91 and 10,504.01

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Solution

The fourth proportional to 18,462.67, 25,475.91 and 10,504.01 is: 14,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.67 : 25,475.91 = 10,504.01 : x
  2. Step 2: Convert to fraction form
    18,462.67/25,475.91 = 10,504.01/x
  3. Step 3: Cross multiply
    18,462.67x = 25,475.91 × 10,504.01
  4. Step 4: Simplify right side
    18,462.67x = 267,599,213.40
  5. Step 5: Solve for x
    x = 267,599,213.40/18,462.67
  6. Step 6: Final answer
    x = 14,494.07

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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.