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Finding the Fourth Proportional to 6,510.44, 9,760.18 and 5,274.79

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Solution

The fourth proportional to 6,510.44, 9,760.18 and 5,274.79 is: 7,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.44 : 9,760.18 = 5,274.79 : x
  2. Step 2: Convert to fraction form
    6,510.44/9,760.18 = 5,274.79/x
  3. Step 3: Cross multiply
    6,510.44x = 9,760.18 × 5,274.79
  4. Step 4: Simplify right side
    6,510.44x = 51,482,824.69
  5. Step 5: Solve for x
    x = 51,482,824.69/6,510.44
  6. Step 6: Final answer
    x = 7,907.73

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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.