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Finding the Fourth Proportional to 54,007.56, 81,019.44 and 18,941.04

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Solution

The fourth proportional to 54,007.56, 81,019.44 and 18,941.04 is: 28,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,007.56 : 81,019.44 = 18,941.04 : x
  2. Step 2: Convert to fraction form
    54,007.56/81,019.44 = 18,941.04/x
  3. Step 3: Cross multiply
    54,007.56x = 81,019.44 × 18,941.04
  4. Step 4: Simplify right side
    54,007.56x = 1,534,592,453.82
  5. Step 5: Solve for x
    x = 1,534,592,453.82/54,007.56
  6. Step 6: Final answer
    x = 28,414.40

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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.