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Finding the Fourth Proportional to 5,869.15, 8,099.63 and 3,350.72

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Solution

The fourth proportional to 5,869.15, 8,099.63 and 3,350.72 is: 4,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.15 : 8,099.63 = 3,350.72 : x
  2. Step 2: Convert to fraction form
    5,869.15/8,099.63 = 3,350.72/x
  3. Step 3: Cross multiply
    5,869.15x = 8,099.63 × 3,350.72
  4. Step 4: Simplify right side
    5,869.15x = 27,139,622.82
  5. Step 5: Solve for x
    x = 27,139,622.82/5,869.15
  6. Step 6: Final answer
    x = 4,624.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.