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Finding the Fourth Proportional to 9,599.77, 13,243.87 and 5,821.55

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Solution

The fourth proportional to 9,599.77, 13,243.87 and 5,821.55 is: 8,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,599.77 : 13,243.87 = 5,821.55 : x
  2. Step 2: Convert to fraction form
    9,599.77/13,243.87 = 5,821.55/x
  3. Step 3: Cross multiply
    9,599.77x = 13,243.87 × 5,821.55
  4. Step 4: Simplify right side
    9,599.77x = 77,099,891.79
  5. Step 5: Solve for x
    x = 77,099,891.79/9,599.77
  6. Step 6: Final answer
    x = 8,031.43

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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.