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Finding the Fourth Proportional to 6,586.88, 9,891.84 and 5,201.60

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Solution

The fourth proportional to 6,586.88, 9,891.84 and 5,201.60 is: 7,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.88 : 9,891.84 = 5,201.60 : x
  2. Step 2: Convert to fraction form
    6,586.88/9,891.84 = 5,201.60/x
  3. Step 3: Cross multiply
    6,586.88x = 9,891.84 × 5,201.60
  4. Step 4: Simplify right side
    6,586.88x = 51,453,394.94
  5. Step 5: Solve for x
    x = 51,453,394.94/6,586.88
  6. Step 6: Final answer
    x = 7,811.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.