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Finding the Fourth Proportional to 57,640.84, 79,544.82 and 32,148.82

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Solution

The fourth proportional to 57,640.84, 79,544.82 and 32,148.82 is: 44,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640.84 : 79,544.82 = 32,148.82 : x
  2. Step 2: Convert to fraction form
    57,640.84/79,544.82 = 32,148.82/x
  3. Step 3: Cross multiply
    57,640.84x = 79,544.82 × 32,148.82
  4. Step 4: Simplify right side
    57,640.84x = 2,557,272,100.11
  5. Step 5: Solve for x
    x = 2,557,272,100.11/57,640.84
  6. Step 6: Final answer
    x = 44,365.63

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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.