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Finding the Fourth Proportional to 3,657,957.54, 5,486,936.92 and 1,526,879.14

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Solution

The fourth proportional to 3,657,957.54, 5,486,936.92 and 1,526,879.14 is: 2,290,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,957.54 : 5,486,936.92 = 1,526,879.14 : x
  2. Step 2: Convert to fraction form
    3,657,957.54/5,486,936.92 = 1,526,879.14/x
  3. Step 3: Cross multiply
    3,657,957.54x = 5,486,936.92 × 1,526,879.14
  4. Step 4: Simplify right side
    3,657,957.54x = 8,377,889,525,643.85
  5. Step 5: Solve for x
    x = 8,377,889,525,643.85/3,657,957.54
  6. Step 6: Final answer
    x = 2,290,318.96

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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.