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Finding the Fourth Proportional to 17,305.13, 25,959.51 and 7,943.55

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Solution

The fourth proportional to 17,305.13, 25,959.51 and 7,943.55 is: 11,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.13 : 25,959.51 = 7,943.55 : x
  2. Step 2: Convert to fraction form
    17,305.13/25,959.51 = 7,943.55/x
  3. Step 3: Cross multiply
    17,305.13x = 25,959.51 × 7,943.55
  4. Step 4: Simplify right side
    17,305.13x = 206,210,665.66
  5. Step 5: Solve for x
    x = 206,210,665.66/17,305.13
  6. Step 6: Final answer
    x = 11,916.16

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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.