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Finding the Fourth Proportional to 16,611.38, 22,918.04 and 9,440.58

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Solution

The fourth proportional to 16,611.38, 22,918.04 and 9,440.58 is: 13,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.38 : 22,918.04 = 9,440.58 : x
  2. Step 2: Convert to fraction form
    16,611.38/22,918.04 = 9,440.58/x
  3. Step 3: Cross multiply
    16,611.38x = 22,918.04 × 9,440.58
  4. Step 4: Simplify right side
    16,611.38x = 216,359,664.21
  5. Step 5: Solve for x
    x = 216,359,664.21/16,611.38
  6. Step 6: Final answer
    x = 13,024.79

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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.