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Finding the Fourth Proportional to 57,454.62, 86,181.93 and 18,015.18

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Solution

The fourth proportional to 57,454.62, 86,181.93 and 18,015.18 is: 27,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.62 : 86,181.93 = 18,015.18 : x
  2. Step 2: Convert to fraction form
    57,454.62/86,181.93 = 18,015.18/x
  3. Step 3: Cross multiply
    57,454.62x = 86,181.93 × 18,015.18
  4. Step 4: Simplify right side
    57,454.62x = 1,552,582,981.70
  5. Step 5: Solve for x
    x = 1,552,582,981.70/57,454.62
  6. Step 6: Final answer
    x = 27,022.77

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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.