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Finding the Fourth Proportional to 5,806.78, 8,710.13 and 2,343.98

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Solution

The fourth proportional to 5,806.78, 8,710.13 and 2,343.98 is: 3,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.78 : 8,710.13 = 2,343.98 : x
  2. Step 2: Convert to fraction form
    5,806.78/8,710.13 = 2,343.98/x
  3. Step 3: Cross multiply
    5,806.78x = 8,710.13 × 2,343.98
  4. Step 4: Simplify right side
    5,806.78x = 20,416,370.52
  5. Step 5: Solve for x
    x = 20,416,370.52/5,806.78
  6. Step 6: Final answer
    x = 3,515.95

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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.