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Finding the Fourth Proportional to 6,516.77, 8,986.55 and 5,796.68

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Solution

The fourth proportional to 6,516.77, 8,986.55 and 5,796.68 is: 7,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.77 : 8,986.55 = 5,796.68 : x
  2. Step 2: Convert to fraction form
    6,516.77/8,986.55 = 5,796.68/x
  3. Step 3: Cross multiply
    6,516.77x = 8,986.55 × 5,796.68
  4. Step 4: Simplify right side
    6,516.77x = 52,092,080.74
  5. Step 5: Solve for x
    x = 52,092,080.74/6,516.77
  6. Step 6: Final answer
    x = 7,993.55

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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.