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Finding the Fourth Proportional to 2,661,413.02, 3,673,975.98 and 1,558,691.02

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Solution

The fourth proportional to 2,661,413.02, 3,673,975.98 and 1,558,691.02 is: 2,151,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,413.02 : 3,673,975.98 = 1,558,691.02 : x
  2. Step 2: Convert to fraction form
    2,661,413.02/3,673,975.98 = 1,558,691.02/x
  3. Step 3: Cross multiply
    2,661,413.02x = 3,673,975.98 × 1,558,691.02
  4. Step 4: Simplify right side
    2,661,413.02x = 5,726,593,367,721.70
  5. Step 5: Solve for x
    x = 5,726,593,367,721.70/2,661,413.02
  6. Step 6: Final answer
    x = 2,151,711.64

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Why These Related Problems?

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