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Finding the Fourth Proportional to 18,058.56, 24,922.88 and 10,102.80

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Solution

The fourth proportional to 18,058.56, 24,922.88 and 10,102.80 is: 13,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.56 : 24,922.88 = 10,102.80 : x
  2. Step 2: Convert to fraction form
    18,058.56/24,922.88 = 10,102.80/x
  3. Step 3: Cross multiply
    18,058.56x = 24,922.88 × 10,102.80
  4. Step 4: Simplify right side
    18,058.56x = 251,790,872.06
  5. Step 5: Solve for x
    x = 251,790,872.06/18,058.56
  6. Step 6: Final answer
    x = 13,943.02

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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.