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Finding the Fourth Proportional to 18,008.48, 27,022.42 and 8,774.48

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Solution

The fourth proportional to 18,008.48, 27,022.42 and 8,774.48 is: 13,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.48 : 27,022.42 = 8,774.48 : x
  2. Step 2: Convert to fraction form
    18,008.48/27,022.42 = 8,774.48/x
  3. Step 3: Cross multiply
    18,008.48x = 27,022.42 × 8,774.48
  4. Step 4: Simplify right side
    18,008.48x = 237,107,683.84
  5. Step 5: Solve for x
    x = 237,107,683.84/18,008.48
  6. Step 6: Final answer
    x = 13,166.45

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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.