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Finding the Fourth Proportional to 3,601.99, 4,971.17 and 2,008.89

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Solution

The fourth proportional to 3,601.99, 4,971.17 and 2,008.89 is: 2,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.99 : 4,971.17 = 2,008.89 : x
  2. Step 2: Convert to fraction form
    3,601.99/4,971.17 = 2,008.89/x
  3. Step 3: Cross multiply
    3,601.99x = 4,971.17 × 2,008.89
  4. Step 4: Simplify right side
    3,601.99x = 9,986,538.72
  5. Step 5: Solve for x
    x = 9,986,538.72/3,601.99
  6. Step 6: Final answer
    x = 2,772.50

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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.