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Finding the Fourth Proportional to 18,585.94, 27,864.04 and 9,696.81

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Solution

The fourth proportional to 18,585.94, 27,864.04 and 9,696.81 is: 14,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.94 : 27,864.04 = 9,696.81 : x
  2. Step 2: Convert to fraction form
    18,585.94/27,864.04 = 9,696.81/x
  3. Step 3: Cross multiply
    18,585.94x = 27,864.04 × 9,696.81
  4. Step 4: Simplify right side
    18,585.94x = 270,192,301.71
  5. Step 5: Solve for x
    x = 270,192,301.71/18,585.94
  6. Step 6: Final answer
    x = 14,537.46

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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.