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Finding the Fourth Proportional to 5,891.25, 8,835.80 and 2,381.12

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Solution

The fourth proportional to 5,891.25, 8,835.80 and 2,381.12 is: 3,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.25 : 8,835.80 = 2,381.12 : x
  2. Step 2: Convert to fraction form
    5,891.25/8,835.80 = 2,381.12/x
  3. Step 3: Cross multiply
    5,891.25x = 8,835.80 × 2,381.12
  4. Step 4: Simplify right side
    5,891.25x = 21,039,100.10
  5. Step 5: Solve for x
    x = 21,039,100.10/5,891.25
  6. Step 6: Final answer
    x = 3,571.25

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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.