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Finding the Fourth Proportional to 40,311, 60,466.88 and 15,351.28

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Solution

The fourth proportional to 40,311, 60,466.88 and 15,351.28 is: 23,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311 : 60,466.88 = 15,351.28 : x
  2. Step 2: Convert to fraction form
    40,311/60,466.88 = 15,351.28/x
  3. Step 3: Cross multiply
    40,311x = 60,466.88 × 15,351.28
  4. Step 4: Simplify right side
    40,311x = 928,244,005.61
  5. Step 5: Solve for x
    x = 928,244,005.61/40,311
  6. Step 6: Final answer
    x = 23,027.06

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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.