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Finding the Fourth Proportional to 5,934.40, 8,898.90 and 2,648.50

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Solution

The fourth proportional to 5,934.40, 8,898.90 and 2,648.50 is: 3,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,934.40 : 8,898.90 = 2,648.50 : x
  2. Step 2: Convert to fraction form
    5,934.40/8,898.90 = 2,648.50/x
  3. Step 3: Cross multiply
    5,934.40x = 8,898.90 × 2,648.50
  4. Step 4: Simplify right side
    5,934.40x = 23,568,736.65
  5. Step 5: Solve for x
    x = 23,568,736.65/5,934.40
  6. Step 6: Final answer
    x = 3,971.55

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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.