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Finding the Fourth Proportional to 6,338,972.52, 9,509,038.34 and 1,790,089.07

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Solution

The fourth proportional to 6,338,972.52, 9,509,038.34 and 1,790,089.07 is: 2,685,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,972.52 : 9,509,038.34 = 1,790,089.07 : x
  2. Step 2: Convert to fraction form
    6,338,972.52/9,509,038.34 = 1,790,089.07/x
  3. Step 3: Cross multiply
    6,338,972.52x = 9,509,038.34 × 1,790,089.07
  4. Step 4: Simplify right side
    6,338,972.52x = 17,022,025,542,149.31
  5. Step 5: Solve for x
    x = 17,022,025,542,149.31/6,338,972.52
  6. Step 6: Final answer
    x = 2,685,297.26

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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.