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Finding the Fourth Proportional to 6,912.60, 9,541.49 and 6,559.98

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Solution

The fourth proportional to 6,912.60, 9,541.49 and 6,559.98 is: 9,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.60 : 9,541.49 = 6,559.98 : x
  2. Step 2: Convert to fraction form
    6,912.60/9,541.49 = 6,559.98/x
  3. Step 3: Cross multiply
    6,912.60x = 9,541.49 × 6,559.98
  4. Step 4: Simplify right side
    6,912.60x = 62,591,950.77
  5. Step 5: Solve for x
    x = 62,591,950.77/6,912.60
  6. Step 6: Final answer
    x = 9,054.76

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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.