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Finding the Fourth Proportional to 7,064.46, 10,600.74 and 2,905.11

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Solution

The fourth proportional to 7,064.46, 10,600.74 and 2,905.11 is: 4,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.46 : 10,600.74 = 2,905.11 : x
  2. Step 2: Convert to fraction form
    7,064.46/10,600.74 = 2,905.11/x
  3. Step 3: Cross multiply
    7,064.46x = 10,600.74 × 2,905.11
  4. Step 4: Simplify right side
    7,064.46x = 30,796,315.78
  5. Step 5: Solve for x
    x = 30,796,315.78/7,064.46
  6. Step 6: Final answer
    x = 4,359.33

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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.