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Finding the Fourth Proportional to 15,291.25, 22,910.90 and 7,397.49

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Solution

The fourth proportional to 15,291.25, 22,910.90 and 7,397.49 is: 11,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.25 : 22,910.90 = 7,397.49 : x
  2. Step 2: Convert to fraction form
    15,291.25/22,910.90 = 7,397.49/x
  3. Step 3: Cross multiply
    15,291.25x = 22,910.90 × 7,397.49
  4. Step 4: Simplify right side
    15,291.25x = 169,483,244.18
  5. Step 5: Solve for x
    x = 169,483,244.18/15,291.25
  6. Step 6: Final answer
    x = 11,083.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.