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Finding the Fourth Proportional to 7,576.92, 10,400.10 and 6,718.92

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Solution

The fourth proportional to 7,576.92, 10,400.10 and 6,718.92 is: 9,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.92 : 10,400.10 = 6,718.92 : x
  2. Step 2: Convert to fraction form
    7,576.92/10,400.10 = 6,718.92/x
  3. Step 3: Cross multiply
    7,576.92x = 10,400.10 × 6,718.92
  4. Step 4: Simplify right side
    7,576.92x = 69,877,439.89
  5. Step 5: Solve for x
    x = 69,877,439.89/7,576.92
  6. Step 6: Final answer
    x = 9,222.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.