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Finding the Fourth Proportional to 6,288.98, 8,687.64 and 5,956.82

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Solution

The fourth proportional to 6,288.98, 8,687.64 and 5,956.82 is: 8,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.98 : 8,687.64 = 5,956.82 : x
  2. Step 2: Convert to fraction form
    6,288.98/8,687.64 = 5,956.82/x
  3. Step 3: Cross multiply
    6,288.98x = 8,687.64 × 5,956.82
  4. Step 4: Simplify right side
    6,288.98x = 51,750,719.18
  5. Step 5: Solve for x
    x = 51,750,719.18/6,288.98
  6. Step 6: Final answer
    x = 8,228.80

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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.