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Finding the Fourth Proportional to 5,884.78, 8,859.23 and 5,081.26

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Solution

The fourth proportional to 5,884.78, 8,859.23 and 5,081.26 is: 7,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.78 : 8,859.23 = 5,081.26 : x
  2. Step 2: Convert to fraction form
    5,884.78/8,859.23 = 5,081.26/x
  3. Step 3: Cross multiply
    5,884.78x = 8,859.23 × 5,081.26
  4. Step 4: Simplify right side
    5,884.78x = 45,015,981.33
  5. Step 5: Solve for x
    x = 45,015,981.33/5,884.78
  6. Step 6: Final answer
    x = 7,649.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.