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Finding the Fourth Proportional to 17,881.91, 26,822.88 and 6,195.13

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Solution

The fourth proportional to 17,881.91, 26,822.88 and 6,195.13 is: 9,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.91 : 26,822.88 = 6,195.13 : x
  2. Step 2: Convert to fraction form
    17,881.91/26,822.88 = 6,195.13/x
  3. Step 3: Cross multiply
    17,881.91x = 26,822.88 × 6,195.13
  4. Step 4: Simplify right side
    17,881.91x = 166,171,312.40
  5. Step 5: Solve for x
    x = 166,171,312.40/17,881.91
  6. Step 6: Final answer
    x = 9,292.70

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1.5x scale

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.