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Finding the Fourth Proportional to 3,909.99, 5,866.47 and 2,525.97

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Solution

The fourth proportional to 3,909.99, 5,866.47 and 2,525.97 is: 3,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.99 : 5,866.47 = 2,525.97 : x
  2. Step 2: Convert to fraction form
    3,909.99/5,866.47 = 2,525.97/x
  3. Step 3: Cross multiply
    3,909.99x = 5,866.47 × 2,525.97
  4. Step 4: Simplify right side
    3,909.99x = 14,818,527.23
  5. Step 5: Solve for x
    x = 14,818,527.23/3,909.99
  6. Step 6: Final answer
    x = 3,789.91

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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.