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Finding the Fourth Proportional to 54,618.71, 81,823.11 and 33,497.18

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Solution

The fourth proportional to 54,618.71, 81,823.11 and 33,497.18 is: 50,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.71 : 81,823.11 = 33,497.18 : x
  2. Step 2: Convert to fraction form
    54,618.71/81,823.11 = 33,497.18/x
  3. Step 3: Cross multiply
    54,618.71x = 81,823.11 × 33,497.18
  4. Step 4: Simplify right side
    54,618.71x = 2,740,843,034.71
  5. Step 5: Solve for x
    x = 2,740,843,034.71/54,618.71
  6. Step 6: Final answer
    x = 50,181.40

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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.