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Finding the Fourth Proportional to 17,934.64, 26,901.98 and 8,072.08

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Solution

The fourth proportional to 17,934.64, 26,901.98 and 8,072.08 is: 12,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934.64 : 26,901.98 = 8,072.08 : x
  2. Step 2: Convert to fraction form
    17,934.64/26,901.98 = 8,072.08/x
  3. Step 3: Cross multiply
    17,934.64x = 26,901.98 × 8,072.08
  4. Step 4: Simplify right side
    17,934.64x = 217,154,934.72
  5. Step 5: Solve for x
    x = 217,154,934.72/17,934.64
  6. Step 6: Final answer
    x = 12,108.13

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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.