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Finding the Fourth Proportional to 34,974.55, 52,461.82 and 8,679.29

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Solution

The fourth proportional to 34,974.55, 52,461.82 and 8,679.29 is: 13,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,974.55 : 52,461.82 = 8,679.29 : x
  2. Step 2: Convert to fraction form
    34,974.55/52,461.82 = 8,679.29/x
  3. Step 3: Cross multiply
    34,974.55x = 52,461.82 × 8,679.29
  4. Step 4: Simplify right side
    34,974.55x = 455,331,349.71
  5. Step 5: Solve for x
    x = 455,331,349.71/34,974.55
  6. Step 6: Final answer
    x = 13,018.93

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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.