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Finding the Fourth Proportional to 5,566,612.80, 8,348,752.80 and 2,728,761.60

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Solution

The fourth proportional to 5,566,612.80, 8,348,752.80 and 2,728,761.60 is: 4,092,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566,612.80 : 8,348,752.80 = 2,728,761.60 : x
  2. Step 2: Convert to fraction form
    5,566,612.80/8,348,752.80 = 2,728,761.60/x
  3. Step 3: Cross multiply
    5,566,612.80x = 8,348,752.80 × 2,728,761.60
  4. Step 4: Simplify right side
    5,566,612.80x = 22,781,756,048,532.48
  5. Step 5: Solve for x
    x = 22,781,756,048,532.48/5,566,612.80
  6. Step 6: Final answer
    x = 4,092,570.63

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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.