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Finding the Fourth Proportional to 5,801.80, 8,700.63 and 2,103.07

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Solution

The fourth proportional to 5,801.80, 8,700.63 and 2,103.07 is: 3,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.80 : 8,700.63 = 2,103.07 : x
  2. Step 2: Convert to fraction form
    5,801.80/8,700.63 = 2,103.07/x
  3. Step 3: Cross multiply
    5,801.80x = 8,700.63 × 2,103.07
  4. Step 4: Simplify right side
    5,801.80x = 18,298,033.93
  5. Step 5: Solve for x
    x = 18,298,033.93/5,801.80
  6. Step 6: Final answer
    x = 3,153.85

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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.