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Finding the Fourth Proportional to 6,356.85, 9,535.55 and 1,974.21

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Solution

The fourth proportional to 6,356.85, 9,535.55 and 1,974.21 is: 2,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.85 : 9,535.55 = 1,974.21 : x
  2. Step 2: Convert to fraction form
    6,356.85/9,535.55 = 1,974.21/x
  3. Step 3: Cross multiply
    6,356.85x = 9,535.55 × 1,974.21
  4. Step 4: Simplify right side
    6,356.85x = 18,825,168.29
  5. Step 5: Solve for x
    x = 18,825,168.29/6,356.85
  6. Step 6: Final answer
    x = 2,961.40

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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.