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Finding the Fourth Proportional to 5,803.39, 8,706.17 and 1,910.53

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Solution

The fourth proportional to 5,803.39, 8,706.17 and 1,910.53 is: 2,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.39 : 8,706.17 = 1,910.53 : x
  2. Step 2: Convert to fraction form
    5,803.39/8,706.17 = 1,910.53/x
  3. Step 3: Cross multiply
    5,803.39x = 8,706.17 × 1,910.53
  4. Step 4: Simplify right side
    5,803.39x = 16,633,389.42
  5. Step 5: Solve for x
    x = 16,633,389.42/5,803.39
  6. Step 6: Final answer
    x = 2,866.15

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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.