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Finding the Fourth Proportional to 54,651.66, 82,017.45 and 34,978.38

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Solution

The fourth proportional to 54,651.66, 82,017.45 and 34,978.38 is: 52,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,651.66 : 82,017.45 = 34,978.38 : x
  2. Step 2: Convert to fraction form
    54,651.66/82,017.45 = 34,978.38/x
  3. Step 3: Cross multiply
    54,651.66x = 82,017.45 × 34,978.38
  4. Step 4: Simplify right side
    54,651.66x = 2,868,837,532.73
  5. Step 5: Solve for x
    x = 2,868,837,532.73/54,651.66
  6. Step 6: Final answer
    x = 52,493.15

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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.