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Finding the Fourth Proportional to 18,074.62, 24,945.15 and 11,002.06

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Solution

The fourth proportional to 18,074.62, 24,945.15 and 11,002.06 is: 15,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.62 : 24,945.15 = 11,002.06 : x
  2. Step 2: Convert to fraction form
    18,074.62/24,945.15 = 11,002.06/x
  3. Step 3: Cross multiply
    18,074.62x = 24,945.15 × 11,002.06
  4. Step 4: Simplify right side
    18,074.62x = 274,448,037.01
  5. Step 5: Solve for x
    x = 274,448,037.01/18,074.62
  6. Step 6: Final answer
    x = 15,184.17

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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.