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Finding the Fourth Proportional to 18,079.56, 24,952.75 and 10,811.16

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Solution

The fourth proportional to 18,079.56, 24,952.75 and 10,811.16 is: 14,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.56 : 24,952.75 = 10,811.16 : x
  2. Step 2: Convert to fraction form
    18,079.56/24,952.75 = 10,811.16/x
  3. Step 3: Cross multiply
    18,079.56x = 24,952.75 × 10,811.16
  4. Step 4: Simplify right side
    18,079.56x = 269,768,145.66
  5. Step 5: Solve for x
    x = 269,768,145.66/18,079.56
  6. Step 6: Final answer
    x = 14,921.17

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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.