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Finding the Fourth Proportional to 6,517.77, 8,987.92 and 5,797.68

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Solution

The fourth proportional to 6,517.77, 8,987.92 and 5,797.68 is: 7,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.77 : 8,987.92 = 5,797.68 : x
  2. Step 2: Convert to fraction form
    6,517.77/8,987.92 = 5,797.68/x
  3. Step 3: Cross multiply
    6,517.77x = 8,987.92 × 5,797.68
  4. Step 4: Simplify right side
    6,517.77x = 52,109,084.03
  5. Step 5: Solve for x
    x = 52,109,084.03/6,517.77
  6. Step 6: Final answer
    x = 7,994.93

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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.