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Finding the Fourth Proportional to 8,537.22, 12,798.02 and 7,229.39

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Solution

The fourth proportional to 8,537.22, 12,798.02 and 7,229.39 is: 10,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.22 : 12,798.02 = 7,229.39 : x
  2. Step 2: Convert to fraction form
    8,537.22/12,798.02 = 7,229.39/x
  3. Step 3: Cross multiply
    8,537.22x = 12,798.02 × 7,229.39
  4. Step 4: Simplify right side
    8,537.22x = 92,521,777.67
  5. Step 5: Solve for x
    x = 92,521,777.67/8,537.22
  6. Step 6: Final answer
    x = 10,837.46

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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.