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Finding the Fourth Proportional to 17,943.30, 26,904.15 and 9,195.30

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Solution

The fourth proportional to 17,943.30, 26,904.15 and 9,195.30 is: 13,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.30 : 26,904.15 = 9,195.30 : x
  2. Step 2: Convert to fraction form
    17,943.30/26,904.15 = 9,195.30/x
  3. Step 3: Cross multiply
    17,943.30x = 26,904.15 × 9,195.30
  4. Step 4: Simplify right side
    17,943.30x = 247,391,730.50
  5. Step 5: Solve for x
    x = 247,391,730.50/17,943.30
  6. Step 6: Final answer
    x = 13,787.42

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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.