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Finding the Fourth Proportional to 57,415.52, 79,240.84 and 32,265

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Solution

The fourth proportional to 57,415.52, 79,240.84 and 32,265 is: 44,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.52 : 79,240.84 = 32,265 : x
  2. Step 2: Convert to fraction form
    57,415.52/79,240.84 = 32,265/x
  3. Step 3: Cross multiply
    57,415.52x = 79,240.84 × 32,265
  4. Step 4: Simplify right side
    57,415.52x = 2,556,705,702.60
  5. Step 5: Solve for x
    x = 2,556,705,702.60/57,415.52
  6. Step 6: Final answer
    x = 44,529.87

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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.