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Finding the Fourth Proportional to 25,167.38, 37,749.92 and 7,397.37

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Solution

The fourth proportional to 25,167.38, 37,749.92 and 7,397.37 is: 11,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.38 : 37,749.92 = 7,397.37 : x
  2. Step 2: Convert to fraction form
    25,167.38/37,749.92 = 7,397.37/x
  3. Step 3: Cross multiply
    25,167.38x = 37,749.92 × 7,397.37
  4. Step 4: Simplify right side
    25,167.38x = 279,250,088.72
  5. Step 5: Solve for x
    x = 279,250,088.72/25,167.38
  6. Step 6: Final answer
    x = 11,095.72

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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.