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Finding the Fourth Proportional to 48,784.60, 73,006.80 and 29,077.30

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Solution

The fourth proportional to 48,784.60, 73,006.80 and 29,077.30 is: 43,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,784.60 : 73,006.80 = 29,077.30 : x
  2. Step 2: Convert to fraction form
    48,784.60/73,006.80 = 29,077.30/x
  3. Step 3: Cross multiply
    48,784.60x = 73,006.80 × 29,077.30
  4. Step 4: Simplify right side
    48,784.60x = 2,122,840,625.64
  5. Step 5: Solve for x
    x = 2,122,840,625.64/48,784.60
  6. Step 6: Final answer
    x = 43,514.56

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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.