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Finding the Fourth Proportional to 4,525.28, 6,788.72 and 1,605.28

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Solution

The fourth proportional to 4,525.28, 6,788.72 and 1,605.28 is: 2,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525.28 : 6,788.72 = 1,605.28 : x
  2. Step 2: Convert to fraction form
    4,525.28/6,788.72 = 1,605.28/x
  3. Step 3: Cross multiply
    4,525.28x = 6,788.72 × 1,605.28
  4. Step 4: Simplify right side
    4,525.28x = 10,897,796.44
  5. Step 5: Solve for x
    x = 10,897,796.44/4,525.28
  6. Step 6: Final answer
    x = 2,408.20

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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.