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Finding the Fourth Proportional to 8,895.11, 13,277.54 and 7,844.21

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Solution

The fourth proportional to 8,895.11, 13,277.54 and 7,844.21 is: 11,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.11 : 13,277.54 = 7,844.21 : x
  2. Step 2: Convert to fraction form
    8,895.11/13,277.54 = 7,844.21/x
  3. Step 3: Cross multiply
    8,895.11x = 13,277.54 × 7,844.21
  4. Step 4: Simplify right side
    8,895.11x = 104,151,706.43
  5. Step 5: Solve for x
    x = 104,151,706.43/8,895.11
  6. Step 6: Final answer
    x = 11,708.87

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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.