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Finding the Fourth Proportional to 23,070.30, 34,607.13 and 8,279.34

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Solution

The fourth proportional to 23,070.30, 34,607.13 and 8,279.34 is: 12,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.30 : 34,607.13 = 8,279.34 : x
  2. Step 2: Convert to fraction form
    23,070.30/34,607.13 = 8,279.34/x
  3. Step 3: Cross multiply
    23,070.30x = 34,607.13 × 8,279.34
  4. Step 4: Simplify right side
    23,070.30x = 286,524,195.69
  5. Step 5: Solve for x
    x = 286,524,195.69/23,070.30
  6. Step 6: Final answer
    x = 12,419.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.