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Finding the Fourth Proportional to 9,162.34, 13,677.17 and 8,477.54

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Solution

The fourth proportional to 9,162.34, 13,677.17 and 8,477.54 is: 12,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.34 : 13,677.17 = 8,477.54 : x
  2. Step 2: Convert to fraction form
    9,162.34/13,677.17 = 8,477.54/x
  3. Step 3: Cross multiply
    9,162.34x = 13,677.17 × 8,477.54
  4. Step 4: Simplify right side
    9,162.34x = 115,948,755.76
  5. Step 5: Solve for x
    x = 115,948,755.76/9,162.34
  6. Step 6: Final answer
    x = 12,654.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.