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Finding the Fourth Proportional to 5,563,923.90, 8,341,900.65 and 2,149,287.90

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Solution

The fourth proportional to 5,563,923.90, 8,341,900.65 and 2,149,287.90 is: 3,222,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563,923.90 : 8,341,900.65 = 2,149,287.90 : x
  2. Step 2: Convert to fraction form
    5,563,923.90/8,341,900.65 = 2,149,287.90/x
  3. Step 3: Cross multiply
    5,563,923.90x = 8,341,900.65 × 2,149,287.90
  4. Step 4: Simplify right side
    5,563,923.90x = 17,929,146,130,047.14
  5. Step 5: Solve for x
    x = 17,929,146,130,047.14/5,563,923.90
  6. Step 6: Final answer
    x = 3,222,392.41

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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.