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Finding the Fourth Proportional to 54,658.20, 82,001.70 and 19,594.20

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Solution

The fourth proportional to 54,658.20, 82,001.70 and 19,594.20 is: 29,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.20 : 82,001.70 = 19,594.20 : x
  2. Step 2: Convert to fraction form
    54,658.20/82,001.70 = 19,594.20/x
  3. Step 3: Cross multiply
    54,658.20x = 82,001.70 × 19,594.20
  4. Step 4: Simplify right side
    54,658.20x = 1,606,757,710.14
  5. Step 5: Solve for x
    x = 1,606,757,710.14/54,658.20
  6. Step 6: Final answer
    x = 29,396.46

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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.