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Finding the Fourth Proportional to 5,563,956.40, 8,341,949.40 and 2,149,320.40

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Solution

The fourth proportional to 5,563,956.40, 8,341,949.40 and 2,149,320.40 is: 3,222,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563,956.40 : 8,341,949.40 = 2,149,320.40 : x
  2. Step 2: Convert to fraction form
    5,563,956.40/8,341,949.40 = 2,149,320.40/x
  3. Step 3: Cross multiply
    5,563,956.40x = 8,341,949.40 × 2,149,320.40
  4. Step 4: Simplify right side
    5,563,956.40x = 17,929,522,021,187.76
  5. Step 5: Solve for x
    x = 17,929,522,021,187.76/5,563,956.40
  6. Step 6: Final answer
    x = 3,222,441.14

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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.