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Finding the Fourth Proportional to 5,660.49, 8,488.02 and 2,100.16

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Solution

The fourth proportional to 5,660.49, 8,488.02 and 2,100.16 is: 3,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.49 : 8,488.02 = 2,100.16 : x
  2. Step 2: Convert to fraction form
    5,660.49/8,488.02 = 2,100.16/x
  3. Step 3: Cross multiply
    5,660.49x = 8,488.02 × 2,100.16
  4. Step 4: Simplify right side
    5,660.49x = 17,826,214.63
  5. Step 5: Solve for x
    x = 17,826,214.63/5,660.49
  6. Step 6: Final answer
    x = 3,149.24

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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.