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Finding the Fourth Proportional to 5,816.68, 8,719.98 and 2,351.68

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Solution

The fourth proportional to 5,816.68, 8,719.98 and 2,351.68 is: 3,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.68 : 8,719.98 = 2,351.68 : x
  2. Step 2: Convert to fraction form
    5,816.68/8,719.98 = 2,351.68/x
  3. Step 3: Cross multiply
    5,816.68x = 8,719.98 × 2,351.68
  4. Step 4: Simplify right side
    5,816.68x = 20,506,602.57
  5. Step 5: Solve for x
    x = 20,506,602.57/5,816.68
  6. Step 6: Final answer
    x = 3,525.48

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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.