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Finding the Fourth Proportional to 54,713.08, 82,069.62 and 13,160.08

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Solution

The fourth proportional to 54,713.08, 82,069.62 and 13,160.08 is: 19,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.08 : 82,069.62 = 13,160.08 : x
  2. Step 2: Convert to fraction form
    54,713.08/82,069.62 = 13,160.08/x
  3. Step 3: Cross multiply
    54,713.08x = 82,069.62 × 13,160.08
  4. Step 4: Simplify right side
    54,713.08x = 1,080,042,764.77
  5. Step 5: Solve for x
    x = 1,080,042,764.77/54,713.08
  6. Step 6: Final answer
    x = 19,740.12

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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.