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Finding the Fourth Proportional to 18,015.17, 24,861.20 and 10,058.00

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Solution

The fourth proportional to 18,015.17, 24,861.20 and 10,058.00 is: 13,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.17 : 24,861.20 = 10,058.00 : x
  2. Step 2: Convert to fraction form
    18,015.17/24,861.20 = 10,058.00/x
  3. Step 3: Cross multiply
    18,015.17x = 24,861.20 × 10,058.00
  4. Step 4: Simplify right side
    18,015.17x = 250,053,775.00
  5. Step 5: Solve for x
    x = 250,053,775.00/18,015.17
  6. Step 6: Final answer
    x = 13,880.18

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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.