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Finding the Fourth Proportional to 18,496.30, 27,737.34 and 14,555.30

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Solution

The fourth proportional to 18,496.30, 27,737.34 and 14,555.30 is: 21,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.30 : 27,737.34 = 14,555.30 : x
  2. Step 2: Convert to fraction form
    18,496.30/27,737.34 = 14,555.30/x
  3. Step 3: Cross multiply
    18,496.30x = 27,737.34 × 14,555.30
  4. Step 4: Simplify right side
    18,496.30x = 403,725,304.90
  5. Step 5: Solve for x
    x = 403,725,304.90/18,496.30
  6. Step 6: Final answer
    x = 21,827.35

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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.