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Finding the Fourth Proportional to 6,608.48, 9,912.67 and 5,300.45

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Solution

The fourth proportional to 6,608.48, 9,912.67 and 5,300.45 is: 7,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.48 : 9,912.67 = 5,300.45 : x
  2. Step 2: Convert to fraction form
    6,608.48/9,912.67 = 5,300.45/x
  3. Step 3: Cross multiply
    6,608.48x = 9,912.67 × 5,300.45
  4. Step 4: Simplify right side
    6,608.48x = 52,541,605.94
  5. Step 5: Solve for x
    x = 52,541,605.94/6,608.48
  6. Step 6: Final answer
    x = 7,950.64

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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.