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Finding the Fourth Proportional to 54,803.64, 75,620.92 and 33,282.20

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Solution

The fourth proportional to 54,803.64, 75,620.92 and 33,282.20 is: 45,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.64 : 75,620.92 = 33,282.20 : x
  2. Step 2: Convert to fraction form
    54,803.64/75,620.92 = 33,282.20/x
  3. Step 3: Cross multiply
    54,803.64x = 75,620.92 × 33,282.20
  4. Step 4: Simplify right side
    54,803.64x = 2,516,830,583.62
  5. Step 5: Solve for x
    x = 2,516,830,583.62/54,803.64
  6. Step 6: Final answer
    x = 45,924.51

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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.