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Finding the Fourth Proportional to 18,329.62, 27,503.97 and 10,008.07

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Solution

The fourth proportional to 18,329.62, 27,503.97 and 10,008.07 is: 15,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.62 : 27,503.97 = 10,008.07 : x
  2. Step 2: Convert to fraction form
    18,329.62/27,503.97 = 10,008.07/x
  3. Step 3: Cross multiply
    18,329.62x = 27,503.97 × 10,008.07
  4. Step 4: Simplify right side
    18,329.62x = 275,261,657.04
  5. Step 5: Solve for x
    x = 275,261,657.04/18,329.62
  6. Step 6: Final answer
    x = 15,017.31

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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.