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Finding the Fourth Proportional to 17,886.27, 26,829.42 and 5,574.27

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Solution

The fourth proportional to 17,886.27, 26,829.42 and 5,574.27 is: 8,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.27 : 26,829.42 = 5,574.27 : x
  2. Step 2: Convert to fraction form
    17,886.27/26,829.42 = 5,574.27/x
  3. Step 3: Cross multiply
    17,886.27x = 26,829.42 × 5,574.27
  4. Step 4: Simplify right side
    17,886.27x = 149,554,431.02
  5. Step 5: Solve for x
    x = 149,554,431.02/17,886.27
  6. Step 6: Final answer
    x = 8,361.41

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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.