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Finding the Fourth Proportional to 18,058.87, 24,920.76 and 10,101.97

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Solution

The fourth proportional to 18,058.87, 24,920.76 and 10,101.97 is: 13,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.87 : 24,920.76 = 10,101.97 : x
  2. Step 2: Convert to fraction form
    18,058.87/24,920.76 = 10,101.97/x
  3. Step 3: Cross multiply
    18,058.87x = 24,920.76 × 10,101.97
  4. Step 4: Simplify right side
    18,058.87x = 251,748,769.90
  5. Step 5: Solve for x
    x = 251,748,769.90/18,058.87
  6. Step 6: Final answer
    x = 13,940.45

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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.