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Finding the Fourth Proportional to 8,404.74, 12,596.67 and 3,719.70

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Solution

The fourth proportional to 8,404.74, 12,596.67 and 3,719.70 is: 5,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.74 : 12,596.67 = 3,719.70 : x
  2. Step 2: Convert to fraction form
    8,404.74/12,596.67 = 3,719.70/x
  3. Step 3: Cross multiply
    8,404.74x = 12,596.67 × 3,719.70
  4. Step 4: Simplify right side
    8,404.74x = 46,855,833.40
  5. Step 5: Solve for x
    x = 46,855,833.40/8,404.74
  6. Step 6: Final answer
    x = 5,574.93

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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.