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Finding the Fourth Proportional to 5,599.50, 8,400.24 and 1,902.12

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Solution

The fourth proportional to 5,599.50, 8,400.24 and 1,902.12 is: 2,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.50 : 8,400.24 = 1,902.12 : x
  2. Step 2: Convert to fraction form
    5,599.50/8,400.24 = 1,902.12/x
  3. Step 3: Cross multiply
    5,599.50x = 8,400.24 × 1,902.12
  4. Step 4: Simplify right side
    5,599.50x = 15,978,264.51
  5. Step 5: Solve for x
    x = 15,978,264.51/5,599.50
  6. Step 6: Final answer
    x = 2,853.52

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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.