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Finding the Fourth Proportional to 16,464,065.25, 22,720,410.05 and 9,220,721.25

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Solution

The fourth proportional to 16,464,065.25, 22,720,410.05 and 9,220,721.25 is: 12,724,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464,065.25 : 22,720,410.05 = 9,220,721.25 : x
  2. Step 2: Convert to fraction form
    16,464,065.25/22,720,410.05 = 9,220,721.25/x
  3. Step 3: Cross multiply
    16,464,065.25x = 22,720,410.05 × 9,220,721.25
  4. Step 4: Simplify right side
    16,464,065.25x = 209,498,567,710,644.97
  5. Step 5: Solve for x
    x = 209,498,567,710,644.97/16,464,065.25
  6. Step 6: Final answer
    x = 12,724,595.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.