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Finding the Fourth Proportional to 54,885.30, 82,327.92 and 13,332.30

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Solution

The fourth proportional to 54,885.30, 82,327.92 and 13,332.30 is: 19,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.30 : 82,327.92 = 13,332.30 : x
  2. Step 2: Convert to fraction form
    54,885.30/82,327.92 = 13,332.30/x
  3. Step 3: Cross multiply
    54,885.30x = 82,327.92 × 13,332.30
  4. Step 4: Simplify right side
    54,885.30x = 1,097,620,527.82
  5. Step 5: Solve for x
    x = 1,097,620,527.82/54,885.30
  6. Step 6: Final answer
    x = 19,998.44

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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.