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Finding the Fourth Proportional to 22,946.31, 34,264.04 and 18,213.21

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Solution

The fourth proportional to 22,946.31, 34,264.04 and 18,213.21 is: 27,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.31 : 34,264.04 = 18,213.21 : x
  2. Step 2: Convert to fraction form
    22,946.31/34,264.04 = 18,213.21/x
  3. Step 3: Cross multiply
    22,946.31x = 34,264.04 × 18,213.21
  4. Step 4: Simplify right side
    22,946.31x = 624,058,064.90
  5. Step 5: Solve for x
    x = 624,058,064.90/22,946.31
  6. Step 6: Final answer
    x = 27,196.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.