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Finding the Fourth Proportional to 3,563.29, 4,909.29 and 2,485.53

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Solution

The fourth proportional to 3,563.29, 4,909.29 and 2,485.53 is: 3,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.29 : 4,909.29 = 2,485.53 : x
  2. Step 2: Convert to fraction form
    3,563.29/4,909.29 = 2,485.53/x
  3. Step 3: Cross multiply
    3,563.29x = 4,909.29 × 2,485.53
  4. Step 4: Simplify right side
    3,563.29x = 12,202,187.57
  5. Step 5: Solve for x
    x = 12,202,187.57/3,563.29
  6. Step 6: Final answer
    x = 3,424.42

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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.