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Finding the Fourth Proportional to 18,014.68, 27,019.48 and 4,867.84

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Solution

The fourth proportional to 18,014.68, 27,019.48 and 4,867.84 is: 7,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.68 : 27,019.48 = 4,867.84 : x
  2. Step 2: Convert to fraction form
    18,014.68/27,019.48 = 4,867.84/x
  3. Step 3: Cross multiply
    18,014.68x = 27,019.48 × 4,867.84
  4. Step 4: Simplify right side
    18,014.68x = 131,526,505.52
  5. Step 5: Solve for x
    x = 131,526,505.52/18,014.68
  6. Step 6: Final answer
    x = 7,301.07

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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.