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Finding the Fourth Proportional to 17,366.62, 26,053.53 and 6,979.18

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Solution

The fourth proportional to 17,366.62, 26,053.53 and 6,979.18 is: 10,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,366.62 : 26,053.53 = 6,979.18 : x
  2. Step 2: Convert to fraction form
    17,366.62/26,053.53 = 6,979.18/x
  3. Step 3: Cross multiply
    17,366.62x = 26,053.53 × 6,979.18
  4. Step 4: Simplify right side
    17,366.62x = 181,832,275.51
  5. Step 5: Solve for x
    x = 181,832,275.51/17,366.62
  6. Step 6: Final answer
    x = 10,470.22

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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.