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Finding the Fourth Proportional to 4,777.56, 6,591.22 and 3,521.61

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Solution

The fourth proportional to 4,777.56, 6,591.22 and 3,521.61 is: 4,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.56 : 6,591.22 = 3,521.61 : x
  2. Step 2: Convert to fraction form
    4,777.56/6,591.22 = 3,521.61/x
  3. Step 3: Cross multiply
    4,777.56x = 6,591.22 × 3,521.61
  4. Step 4: Simplify right side
    4,777.56x = 23,211,706.26
  5. Step 5: Solve for x
    x = 23,211,706.26/4,777.56
  6. Step 6: Final answer
    x = 4,858.49

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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.