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Finding the Fourth Proportional to 8,365.67, 12,551.25 and 3,437.63

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Solution

The fourth proportional to 8,365.67, 12,551.25 and 3,437.63 is: 5,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.67 : 12,551.25 = 3,437.63 : x
  2. Step 2: Convert to fraction form
    8,365.67/12,551.25 = 3,437.63/x
  3. Step 3: Cross multiply
    8,365.67x = 12,551.25 × 3,437.63
  4. Step 4: Simplify right side
    8,365.67x = 43,146,553.54
  5. Step 5: Solve for x
    x = 43,146,553.54/8,365.67
  6. Step 6: Final answer
    x = 5,157.57

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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.