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Finding the Fourth Proportional to 5,891.54, 8,841.36 and 2,428.79

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Solution

The fourth proportional to 5,891.54, 8,841.36 and 2,428.79 is: 3,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.54 : 8,841.36 = 2,428.79 : x
  2. Step 2: Convert to fraction form
    5,891.54/8,841.36 = 2,428.79/x
  3. Step 3: Cross multiply
    5,891.54x = 8,841.36 × 2,428.79
  4. Step 4: Simplify right side
    5,891.54x = 21,473,762.55
  5. Step 5: Solve for x
    x = 21,473,762.55/5,891.54
  6. Step 6: Final answer
    x = 3,644.85

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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.