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Finding the Fourth Proportional to 34,992.78, 52,488.92 and 8,697.48

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Solution

The fourth proportional to 34,992.78, 52,488.92 and 8,697.48 is: 13,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,992.78 : 52,488.92 = 8,697.48 : x
  2. Step 2: Convert to fraction form
    34,992.78/52,488.92 = 8,697.48/x
  3. Step 3: Cross multiply
    34,992.78x = 52,488.92 × 8,697.48
  4. Step 4: Simplify right side
    34,992.78x = 456,521,331.92
  5. Step 5: Solve for x
    x = 456,521,331.92/34,992.78
  6. Step 6: Final answer
    x = 13,046.16

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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.