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Finding the Fourth Proportional to 5,536.96, 7,647.62 and 4,042.48

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Solution

The fourth proportional to 5,536.96, 7,647.62 and 4,042.48 is: 5,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.96 : 7,647.62 = 4,042.48 : x
  2. Step 2: Convert to fraction form
    5,536.96/7,647.62 = 4,042.48/x
  3. Step 3: Cross multiply
    5,536.96x = 7,647.62 × 4,042.48
  4. Step 4: Simplify right side
    5,536.96x = 30,915,350.90
  5. Step 5: Solve for x
    x = 30,915,350.90/5,536.96
  6. Step 6: Final answer
    x = 5,583.45

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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.