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Finding the Fourth Proportional to 3,600.87, 4,971.47 and 2,759.99

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Solution

The fourth proportional to 3,600.87, 4,971.47 and 2,759.99 is: 3,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.87 : 4,971.47 = 2,759.99 : x
  2. Step 2: Convert to fraction form
    3,600.87/4,971.47 = 2,759.99/x
  3. Step 3: Cross multiply
    3,600.87x = 4,971.47 × 2,759.99
  4. Step 4: Simplify right side
    3,600.87x = 13,721,168.83
  5. Step 5: Solve for x
    x = 13,721,168.83/3,600.87
  6. Step 6: Final answer
    x = 3,810.52

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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.