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Finding the Fourth Proportional to 54,274.84, 74,924.92 and 36,381.54

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Solution

The fourth proportional to 54,274.84, 74,924.92 and 36,381.54 is: 50,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.84 : 74,924.92 = 36,381.54 : x
  2. Step 2: Convert to fraction form
    54,274.84/74,924.92 = 36,381.54/x
  3. Step 3: Cross multiply
    54,274.84x = 74,924.92 × 36,381.54
  4. Step 4: Simplify right side
    54,274.84x = 2,725,883,973.98
  5. Step 5: Solve for x
    x = 2,725,883,973.98/54,274.84
  6. Step 6: Final answer
    x = 50,223.71

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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.