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Finding the Fourth Proportional to 9,048.39, 13,587.99 and 5,891.20

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Solution

The fourth proportional to 9,048.39, 13,587.99 and 5,891.20 is: 8,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.39 : 13,587.99 = 5,891.20 : x
  2. Step 2: Convert to fraction form
    9,048.39/13,587.99 = 5,891.20/x
  3. Step 3: Cross multiply
    9,048.39x = 13,587.99 × 5,891.20
  4. Step 4: Simplify right side
    9,048.39x = 80,049,566.69
  5. Step 5: Solve for x
    x = 80,049,566.69/9,048.39
  6. Step 6: Final answer
    x = 8,846.83

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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.