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Finding the Fourth Proportional to 5,572.70, 8,357.11 and 1,622.87

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Solution

The fourth proportional to 5,572.70, 8,357.11 and 1,622.87 is: 2,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.70 : 8,357.11 = 1,622.87 : x
  2. Step 2: Convert to fraction form
    5,572.70/8,357.11 = 1,622.87/x
  3. Step 3: Cross multiply
    5,572.70x = 8,357.11 × 1,622.87
  4. Step 4: Simplify right side
    5,572.70x = 13,562,488.60
  5. Step 5: Solve for x
    x = 13,562,488.60/5,572.70
  6. Step 6: Final answer
    x = 2,433.74

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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.