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Finding the Fourth Proportional to 54,895.68, 82,343.52 and 13,342.32

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Solution

The fourth proportional to 54,895.68, 82,343.52 and 13,342.32 is: 20,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.68 : 82,343.52 = 13,342.32 : x
  2. Step 2: Convert to fraction form
    54,895.68/82,343.52 = 13,342.32/x
  3. Step 3: Cross multiply
    54,895.68x = 82,343.52 × 13,342.32
  4. Step 4: Simplify right side
    54,895.68x = 1,098,653,593.77
  5. Step 5: Solve for x
    x = 1,098,653,593.77/54,895.68
  6. Step 6: Final answer
    x = 20,013.48

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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.