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Finding the Fourth Proportional to 18,475.62, 25,495.44 and 10,517.10

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Solution

The fourth proportional to 18,475.62, 25,495.44 and 10,517.10 is: 14,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.62 : 25,495.44 = 10,517.10 : x
  2. Step 2: Convert to fraction form
    18,475.62/25,495.44 = 10,517.10/x
  3. Step 3: Cross multiply
    18,475.62x = 25,495.44 × 10,517.10
  4. Step 4: Simplify right side
    18,475.62x = 268,138,092.02
  5. Step 5: Solve for x
    x = 268,138,092.02/18,475.62
  6. Step 6: Final answer
    x = 14,513.08

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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.