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Finding the Fourth Proportional to 17,611,972.80, 26,442,842.40 and 10,893,508.80

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Solution

The fourth proportional to 17,611,972.80, 26,442,842.40 and 10,893,508.80 is: 16,355,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611,972.80 : 26,442,842.40 = 10,893,508.80 : x
  2. Step 2: Convert to fraction form
    17,611,972.80/26,442,842.40 = 10,893,508.80/x
  3. Step 3: Cross multiply
    17,611,972.80x = 26,442,842.40 × 10,893,508.80
  4. Step 4: Simplify right side
    17,611,972.80x = 288,055,336,381,413.12
  5. Step 5: Solve for x
    x = 288,055,336,381,413.12/17,611,972.80
  6. Step 6: Final answer
    x = 16,355,654.17

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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.