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Finding the Fourth Proportional to 5,599.94, 8,402.74 and 4,282.88

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Solution

The fourth proportional to 5,599.94, 8,402.74 and 4,282.88 is: 6,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.94 : 8,402.74 = 4,282.88 : x
  2. Step 2: Convert to fraction form
    5,599.94/8,402.74 = 4,282.88/x
  3. Step 3: Cross multiply
    5,599.94x = 8,402.74 × 4,282.88
  4. Step 4: Simplify right side
    5,599.94x = 35,987,874.37
  5. Step 5: Solve for x
    x = 35,987,874.37/5,599.94
  6. Step 6: Final answer
    x = 6,426.48

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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.