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Finding the Fourth Proportional to 5,705,710.80, 8,542,819.80 and 4,445,998.80

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Solution

The fourth proportional to 5,705,710.80, 8,542,819.80 and 4,445,998.80 is: 6,656,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,710.80 : 8,542,819.80 = 4,445,998.80 : x
  2. Step 2: Convert to fraction form
    5,705,710.80/8,542,819.80 = 4,445,998.80/x
  3. Step 3: Cross multiply
    5,705,710.80x = 8,542,819.80 × 4,445,998.80
  4. Step 4: Simplify right side
    5,705,710.80x = 37,981,366,579,416.24
  5. Step 5: Solve for x
    x = 37,981,366,579,416.24/5,705,710.80
  6. Step 6: Final answer
    x = 6,656,728.30

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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.