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Finding the Fourth Proportional to 8,881.44, 13,322.13 and 8,340.13

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Solution

The fourth proportional to 8,881.44, 13,322.13 and 8,340.13 is: 12,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.44 : 13,322.13 = 8,340.13 : x
  2. Step 2: Convert to fraction form
    8,881.44/13,322.13 = 8,340.13/x
  3. Step 3: Cross multiply
    8,881.44x = 13,322.13 × 8,340.13
  4. Step 4: Simplify right side
    8,881.44x = 111,108,296.08
  5. Step 5: Solve for x
    x = 111,108,296.08/8,881.44
  6. Step 6: Final answer
    x = 12,510.17

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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.