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Finding the Fourth Proportional to 5,891.85, 8,823.18 and 4,328.13

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Solution

The fourth proportional to 5,891.85, 8,823.18 and 4,328.13 is: 6,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.85 : 8,823.18 = 4,328.13 : x
  2. Step 2: Convert to fraction form
    5,891.85/8,823.18 = 4,328.13/x
  3. Step 3: Cross multiply
    5,891.85x = 8,823.18 × 4,328.13
  4. Step 4: Simplify right side
    5,891.85x = 38,187,870.05
  5. Step 5: Solve for x
    x = 38,187,870.05/5,891.85
  6. Step 6: Final answer
    x = 6,481.47

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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.