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Finding the Fourth Proportional to 18,238.69, 27,347.10 and 8,860.24

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Solution

The fourth proportional to 18,238.69, 27,347.10 and 8,860.24 is: 13,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.69 : 27,347.10 = 8,860.24 : x
  2. Step 2: Convert to fraction form
    18,238.69/27,347.10 = 8,860.24/x
  3. Step 3: Cross multiply
    18,238.69x = 27,347.10 × 8,860.24
  4. Step 4: Simplify right side
    18,238.69x = 242,301,869.30
  5. Step 5: Solve for x
    x = 242,301,869.30/18,238.69
  6. Step 6: Final answer
    x = 13,285.05

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1.5x scale

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.