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Finding the Fourth Proportional to 18,395.66, 27,593.75 and 5,248.03

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Solution

The fourth proportional to 18,395.66, 27,593.75 and 5,248.03 is: 7,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.66 : 27,593.75 = 5,248.03 : x
  2. Step 2: Convert to fraction form
    18,395.66/27,593.75 = 5,248.03/x
  3. Step 3: Cross multiply
    18,395.66x = 27,593.75 × 5,248.03
  4. Step 4: Simplify right side
    18,395.66x = 144,812,827.81
  5. Step 5: Solve for x
    x = 144,812,827.81/18,395.66
  6. Step 6: Final answer
    x = 7,872.12

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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.