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Finding the Fourth Proportional to 9,063.77, 13,530.12 and 8,414.96

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Solution

The fourth proportional to 9,063.77, 13,530.12 and 8,414.96 is: 12,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.77 : 13,530.12 = 8,414.96 : x
  2. Step 2: Convert to fraction form
    9,063.77/13,530.12 = 8,414.96/x
  3. Step 3: Cross multiply
    9,063.77x = 13,530.12 × 8,414.96
  4. Step 4: Simplify right side
    9,063.77x = 113,855,350.94
  5. Step 5: Solve for x
    x = 113,855,350.94/9,063.77
  6. Step 6: Final answer
    x = 12,561.60

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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.