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Finding the Fourth Proportional to 5,387,923.30, 8,081,884.95 and 5,387,923.30

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Solution

The fourth proportional to 5,387,923.30, 8,081,884.95 and 5,387,923.30 is: 8,081,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,923.30 : 8,081,884.95 = 5,387,923.30 : x
  2. Step 2: Convert to fraction form
    5,387,923.30/8,081,884.95 = 5,387,923.30/x
  3. Step 3: Cross multiply
    5,387,923.30x = 8,081,884.95 × 5,387,923.30
  4. Step 4: Simplify right side
    5,387,923.30x = 43,544,576,230,024.34
  5. Step 5: Solve for x
    x = 43,544,576,230,024.34/5,387,923.30
  6. Step 6: Final answer
    x = 8,081,884.95

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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.