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Finding the Fourth Proportional to 6,338.19, 8,745.95 and 3,505.19

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Solution

The fourth proportional to 6,338.19, 8,745.95 and 3,505.19 is: 4,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.19 : 8,745.95 = 3,505.19 : x
  2. Step 2: Convert to fraction form
    6,338.19/8,745.95 = 3,505.19/x
  3. Step 3: Cross multiply
    6,338.19x = 8,745.95 × 3,505.19
  4. Step 4: Simplify right side
    6,338.19x = 30,656,155.22
  5. Step 5: Solve for x
    x = 30,656,155.22/6,338.19
  6. Step 6: Final answer
    x = 4,836.74

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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.