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Finding the Fourth Proportional to 8,254.67, 11,388.67 and 4,715.37

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Solution

The fourth proportional to 8,254.67, 11,388.67 and 4,715.37 is: 6,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.67 : 11,388.67 = 4,715.37 : x
  2. Step 2: Convert to fraction form
    8,254.67/11,388.67 = 4,715.37/x
  3. Step 3: Cross multiply
    8,254.67x = 11,388.67 × 4,715.37
  4. Step 4: Simplify right side
    8,254.67x = 53,701,781.07
  5. Step 5: Solve for x
    x = 53,701,781.07/8,254.67
  6. Step 6: Final answer
    x = 6,505.63

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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.