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Finding the Fourth Proportional to 22,043.17, 30,419.04 and 12,611.17

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Solution

The fourth proportional to 22,043.17, 30,419.04 and 12,611.17 is: 17,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.17 : 30,419.04 = 12,611.17 : x
  2. Step 2: Convert to fraction form
    22,043.17/30,419.04 = 12,611.17/x
  3. Step 3: Cross multiply
    22,043.17x = 30,419.04 × 12,611.17
  4. Step 4: Simplify right side
    22,043.17x = 383,619,684.68
  5. Step 5: Solve for x
    x = 383,619,684.68/22,043.17
  6. Step 6: Final answer
    x = 17,403.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.