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Finding the Fourth Proportional to 34,670.92, 52,014.22 and 10,979.90

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Solution

The fourth proportional to 34,670.92, 52,014.22 and 10,979.90 is: 16,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.92 : 52,014.22 = 10,979.90 : x
  2. Step 2: Convert to fraction form
    34,670.92/52,014.22 = 10,979.90/x
  3. Step 3: Cross multiply
    34,670.92x = 52,014.22 × 10,979.90
  4. Step 4: Simplify right side
    34,670.92x = 571,110,934.18
  5. Step 5: Solve for x
    x = 571,110,934.18/34,670.92
  6. Step 6: Final answer
    x = 16,472.33

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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.