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Finding the Fourth Proportional to 8,495.16, 12,757.13 and 5,538.66

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Solution

The fourth proportional to 8,495.16, 12,757.13 and 5,538.66 is: 8,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.16 : 12,757.13 = 5,538.66 : x
  2. Step 2: Convert to fraction form
    8,495.16/12,757.13 = 5,538.66/x
  3. Step 3: Cross multiply
    8,495.16x = 12,757.13 × 5,538.66
  4. Step 4: Simplify right side
    8,495.16x = 70,657,350.88
  5. Step 5: Solve for x
    x = 70,657,350.88/8,495.16
  6. Step 6: Final answer
    x = 8,317.37

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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.