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Finding the Fourth Proportional to 8,954.96, 13,366.72 and 8,295.22

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Solution

The fourth proportional to 8,954.96, 13,366.72 and 8,295.22 is: 12,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.96 : 13,366.72 = 8,295.22 : x
  2. Step 2: Convert to fraction form
    8,954.96/13,366.72 = 8,295.22/x
  3. Step 3: Cross multiply
    8,954.96x = 13,366.72 × 8,295.22
  4. Step 4: Simplify right side
    8,954.96x = 110,879,883.08
  5. Step 5: Solve for x
    x = 110,879,883.08/8,954.96
  6. Step 6: Final answer
    x = 12,381.95

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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.