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Finding the Fourth Proportional to 54,353.64, 81,398.79 and 27,629.34

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Solution

The fourth proportional to 54,353.64, 81,398.79 and 27,629.34 is: 41,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.64 : 81,398.79 = 27,629.34 : x
  2. Step 2: Convert to fraction form
    54,353.64/81,398.79 = 27,629.34/x
  3. Step 3: Cross multiply
    54,353.64x = 81,398.79 × 27,629.34
  4. Step 4: Simplify right side
    54,353.64x = 2,248,994,844.50
  5. Step 5: Solve for x
    x = 2,248,994,844.50/54,353.64
  6. Step 6: Final answer
    x = 41,377.08

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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.