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Finding the Fourth Proportional to 54,896.16, 82,344.08 and 19,835.76

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Solution

The fourth proportional to 54,896.16, 82,344.08 and 19,835.76 is: 29,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,896.16 : 82,344.08 = 19,835.76 : x
  2. Step 2: Convert to fraction form
    54,896.16/82,344.08 = 19,835.76/x
  3. Step 3: Cross multiply
    54,896.16x = 82,344.08 × 19,835.76
  4. Step 4: Simplify right side
    54,896.16x = 1,633,357,408.30
  5. Step 5: Solve for x
    x = 1,633,357,408.30/54,896.16
  6. Step 6: Final answer
    x = 29,753.58

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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.