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Finding the Fourth Proportional to 22,443.64, 33,670.40 and 6,862.48

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Solution

The fourth proportional to 22,443.64, 33,670.40 and 6,862.48 is: 10,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,443.64 : 33,670.40 = 6,862.48 : x
  2. Step 2: Convert to fraction form
    22,443.64/33,670.40 = 6,862.48/x
  3. Step 3: Cross multiply
    22,443.64x = 33,670.40 × 6,862.48
  4. Step 4: Simplify right side
    22,443.64x = 231,062,446.59
  5. Step 5: Solve for x
    x = 231,062,446.59/22,443.64
  6. Step 6: Final answer
    x = 10,295.23

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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.