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Finding the Fourth Proportional to 4,548.80, 6,822.30 and 2,208.80

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Solution

The fourth proportional to 4,548.80, 6,822.30 and 2,208.80 is: 3,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.80 : 6,822.30 = 2,208.80 : x
  2. Step 2: Convert to fraction form
    4,548.80/6,822.30 = 2,208.80/x
  3. Step 3: Cross multiply
    4,548.80x = 6,822.30 × 2,208.80
  4. Step 4: Simplify right side
    4,548.80x = 15,069,096.24
  5. Step 5: Solve for x
    x = 15,069,096.24/4,548.80
  6. Step 6: Final answer
    x = 3,312.76

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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.