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Finding the Fourth Proportional to 22,689.15, 34,034.04 and 8,649.93

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Solution

The fourth proportional to 22,689.15, 34,034.04 and 8,649.93 is: 12,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.15 : 34,034.04 = 8,649.93 : x
  2. Step 2: Convert to fraction form
    22,689.15/34,034.04 = 8,649.93/x
  3. Step 3: Cross multiply
    22,689.15x = 34,034.04 × 8,649.93
  4. Step 4: Simplify right side
    22,689.15x = 294,392,020.37
  5. Step 5: Solve for x
    x = 294,392,020.37/22,689.15
  6. Step 6: Final answer
    x = 12,975.01

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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.