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Finding the Fourth Proportional to 70,937.92, 106,408.85 and 17,627.74

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Solution

The fourth proportional to 70,937.92, 106,408.85 and 17,627.74 is: 26,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.92 : 106,408.85 = 17,627.74 : x
  2. Step 2: Convert to fraction form
    70,937.92/106,408.85 = 17,627.74/x
  3. Step 3: Cross multiply
    70,937.92x = 106,408.85 × 17,627.74
  4. Step 4: Simplify right side
    70,937.92x = 1,875,747,719.38
  5. Step 5: Solve for x
    x = 1,875,747,719.38/70,937.92
  6. Step 6: Final answer
    x = 26,442.10

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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.