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Finding the Fourth Proportional to 16,807,166.80, 25,181,719.80 and 7,813,272.40

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Solution

The fourth proportional to 16,807,166.80, 25,181,719.80 and 7,813,272.40 is: 11,706,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807,166.80 : 25,181,719.80 = 7,813,272.40 : x
  2. Step 2: Convert to fraction form
    16,807,166.80/25,181,719.80 = 7,813,272.40/x
  3. Step 3: Cross multiply
    16,807,166.80x = 25,181,719.80 × 7,813,272.40
  4. Step 4: Simplify right side
    16,807,166.80x = 196,751,636,297,873.53
  5. Step 5: Solve for x
    x = 196,751,636,297,873.53/16,807,166.80
  6. Step 6: Final answer
    x = 11,706,413.02

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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.