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Finding the Fourth Proportional to 18,083.04, 24,949.80 and 11,009.04

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Solution

The fourth proportional to 18,083.04, 24,949.80 and 11,009.04 is: 15,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.04 : 24,949.80 = 11,009.04 : x
  2. Step 2: Convert to fraction form
    18,083.04/24,949.80 = 11,009.04/x
  3. Step 3: Cross multiply
    18,083.04x = 24,949.80 × 11,009.04
  4. Step 4: Simplify right side
    18,083.04x = 274,673,346.19
  5. Step 5: Solve for x
    x = 274,673,346.19/18,083.04
  6. Step 6: Final answer
    x = 15,189.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.