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Finding the Fourth Proportional to 18,585.15, 27,862.86 and 9,696.03

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Solution

The fourth proportional to 18,585.15, 27,862.86 and 9,696.03 is: 14,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.15 : 27,862.86 = 9,696.03 : x
  2. Step 2: Convert to fraction form
    18,585.15/27,862.86 = 9,696.03/x
  3. Step 3: Cross multiply
    18,585.15x = 27,862.86 × 9,696.03
  4. Step 4: Simplify right side
    18,585.15x = 270,159,126.45
  5. Step 5: Solve for x
    x = 270,159,126.45/18,585.15
  6. Step 6: Final answer
    x = 14,536.29

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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.