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Finding the Fourth Proportional to 3,222.76, 4,839.06 and 3,064.20

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Solution

The fourth proportional to 3,222.76, 4,839.06 and 3,064.20 is: 4,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.76 : 4,839.06 = 3,064.20 : x
  2. Step 2: Convert to fraction form
    3,222.76/4,839.06 = 3,064.20/x
  3. Step 3: Cross multiply
    3,222.76x = 4,839.06 × 3,064.20
  4. Step 4: Simplify right side
    3,222.76x = 14,827,847.65
  5. Step 5: Solve for x
    x = 14,827,847.65/3,222.76
  6. Step 6: Final answer
    x = 4,600.98

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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.