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Finding the Fourth Proportional to 17,368.14, 26,053.41 and 6,979.89

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Solution

The fourth proportional to 17,368.14, 26,053.41 and 6,979.89 is: 10,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.14 : 26,053.41 = 6,979.89 : x
  2. Step 2: Convert to fraction form
    17,368.14/26,053.41 = 6,979.89/x
  3. Step 3: Cross multiply
    17,368.14x = 26,053.41 × 6,979.89
  4. Step 4: Simplify right side
    17,368.14x = 181,849,935.92
  5. Step 5: Solve for x
    x = 181,849,935.92/17,368.14
  6. Step 6: Final answer
    x = 10,470.32

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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.