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Finding the Fourth Proportional to 5,608.48, 7,697.02 and 5,161.36

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Solution

The fourth proportional to 5,608.48, 7,697.02 and 5,161.36 is: 7,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.48 : 7,697.02 = 5,161.36 : x
  2. Step 2: Convert to fraction form
    5,608.48/7,697.02 = 5,161.36/x
  3. Step 3: Cross multiply
    5,608.48x = 7,697.02 × 5,161.36
  4. Step 4: Simplify right side
    5,608.48x = 39,727,091.15
  5. Step 5: Solve for x
    x = 39,727,091.15/5,608.48
  6. Step 6: Final answer
    x = 7,083.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.