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Finding the Fourth Proportional to 44,187.92, 66,268.92 and 13,019.12

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Solution

The fourth proportional to 44,187.92, 66,268.92 and 13,019.12 is: 19,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,187.92 : 66,268.92 = 13,019.12 : x
  2. Step 2: Convert to fraction form
    44,187.92/66,268.92 = 13,019.12/x
  3. Step 3: Cross multiply
    44,187.92x = 66,268.92 × 13,019.12
  4. Step 4: Simplify right side
    44,187.92x = 862,763,021.75
  5. Step 5: Solve for x
    x = 862,763,021.75/44,187.92
  6. Step 6: Final answer
    x = 19,524.86

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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.