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Finding the Fourth Proportional to 25,351.34, 38,032 and 8,707.32

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Solution

The fourth proportional to 25,351.34, 38,032 and 8,707.32 is: 13,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.34 : 38,032 = 8,707.32 : x
  2. Step 2: Convert to fraction form
    25,351.34/38,032 = 8,707.32/x
  3. Step 3: Cross multiply
    25,351.34x = 38,032 × 8,707.32
  4. Step 4: Simplify right side
    25,351.34x = 331,156,794.24
  5. Step 5: Solve for x
    x = 331,156,794.24/25,351.34
  6. Step 6: Final answer
    x = 13,062.69

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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.