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Finding the Fourth Proportional to 54,882.84, 75,742.11 and 33,380.99

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Solution

The fourth proportional to 54,882.84, 75,742.11 and 33,380.99 is: 46,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882.84 : 75,742.11 = 33,380.99 : x
  2. Step 2: Convert to fraction form
    54,882.84/75,742.11 = 33,380.99/x
  3. Step 3: Cross multiply
    54,882.84x = 75,742.11 × 33,380.99
  4. Step 4: Simplify right side
    54,882.84x = 2,528,346,237.78
  5. Step 5: Solve for x
    x = 2,528,346,237.78/54,882.84
  6. Step 6: Final answer
    x = 46,068.06

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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.