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Finding the Fourth Proportional to 56,334.60, 84,488.40 and 32,590.80

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Solution

The fourth proportional to 56,334.60, 84,488.40 and 32,590.80 is: 48,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,334.60 : 84,488.40 = 32,590.80 : x
  2. Step 2: Convert to fraction form
    56,334.60/84,488.40 = 32,590.80/x
  3. Step 3: Cross multiply
    56,334.60x = 84,488.40 × 32,590.80
  4. Step 4: Simplify right side
    56,334.60x = 2,753,544,546.72
  5. Step 5: Solve for x
    x = 2,753,544,546.72/56,334.60
  6. Step 6: Final answer
    x = 48,878.39

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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.