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Finding the Fourth Proportional to 34,378.62, 51,490.89 and 29,878.62

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Solution

The fourth proportional to 34,378.62, 51,490.89 and 29,878.62 is: 44,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.62 : 51,490.89 = 29,878.62 : x
  2. Step 2: Convert to fraction form
    34,378.62/51,490.89 = 29,878.62/x
  3. Step 3: Cross multiply
    34,378.62x = 51,490.89 × 29,878.62
  4. Step 4: Simplify right side
    34,378.62x = 1,538,476,735.77
  5. Step 5: Solve for x
    x = 1,538,476,735.77/34,378.62
  6. Step 6: Final answer
    x = 44,750.97

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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.