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Finding the Fourth Proportional to 7,600.30, 10,493.16 and 4,912.93

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Solution

The fourth proportional to 7,600.30, 10,493.16 and 4,912.93 is: 6,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.30 : 10,493.16 = 4,912.93 : x
  2. Step 2: Convert to fraction form
    7,600.30/10,493.16 = 4,912.93/x
  3. Step 3: Cross multiply
    7,600.30x = 10,493.16 × 4,912.93
  4. Step 4: Simplify right side
    7,600.30x = 51,552,160.56
  5. Step 5: Solve for x
    x = 51,552,160.56/7,600.30
  6. Step 6: Final answer
    x = 6,782.91

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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.