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Finding the Fourth Proportional to 56,348.80, 84,350.40 and 32,905.60

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Solution

The fourth proportional to 56,348.80, 84,350.40 and 32,905.60 is: 49,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.80 : 84,350.40 = 32,905.60 : x
  2. Step 2: Convert to fraction form
    56,348.80/84,350.40 = 32,905.60/x
  3. Step 3: Cross multiply
    56,348.80x = 84,350.40 × 32,905.60
  4. Step 4: Simplify right side
    56,348.80x = 2,775,600,522.24
  5. Step 5: Solve for x
    x = 2,775,600,522.24/56,348.80
  6. Step 6: Final answer
    x = 49,257.49

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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.