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Finding the Fourth Proportional to 5,535.68, 7,635.24 and 3,764.12

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Solution

The fourth proportional to 5,535.68, 7,635.24 and 3,764.12 is: 5,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.68 : 7,635.24 = 3,764.12 : x
  2. Step 2: Convert to fraction form
    5,535.68/7,635.24 = 3,764.12/x
  3. Step 3: Cross multiply
    5,535.68x = 7,635.24 × 3,764.12
  4. Step 4: Simplify right side
    5,535.68x = 28,739,959.59
  5. Step 5: Solve for x
    x = 28,739,959.59/5,535.68
  6. Step 6: Final answer
    x = 5,191.77

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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.