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Finding the Fourth Proportional to 3,765,951.60, 5,648,927.40 and 2,173,426.80

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Solution

The fourth proportional to 3,765,951.60, 5,648,927.40 and 2,173,426.80 is: 3,260,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,951.60 : 5,648,927.40 = 2,173,426.80 : x
  2. Step 2: Convert to fraction form
    3,765,951.60/5,648,927.40 = 2,173,426.80/x
  3. Step 3: Cross multiply
    3,765,951.60x = 5,648,927.40 × 2,173,426.80
  4. Step 4: Simplify right side
    3,765,951.60x = 12,277,530,202,414.32
  5. Step 5: Solve for x
    x = 12,277,530,202,414.32/3,765,951.60
  6. Step 6: Final answer
    x = 3,260,140.20

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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.