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Finding the Fourth Proportional to 56,584.80, 84,877.92 and 28,902.24

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Solution

The fourth proportional to 56,584.80, 84,877.92 and 28,902.24 is: 43,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,584.80 : 84,877.92 = 28,902.24 : x
  2. Step 2: Convert to fraction form
    56,584.80/84,877.92 = 28,902.24/x
  3. Step 3: Cross multiply
    56,584.80x = 84,877.92 × 28,902.24
  4. Step 4: Simplify right side
    56,584.80x = 2,453,162,014.54
  5. Step 5: Solve for x
    x = 2,453,162,014.54/56,584.80
  6. Step 6: Final answer
    x = 43,353.73

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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.