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Finding the Fourth Proportional to 6,611,737.83, 9,913,079.12 and 3,366,994.61

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Solution

The fourth proportional to 6,611,737.83, 9,913,079.12 and 3,366,994.61 is: 5,048,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,737.83 : 9,913,079.12 = 3,366,994.61 : x
  2. Step 2: Convert to fraction form
    6,611,737.83/9,913,079.12 = 3,366,994.61/x
  3. Step 3: Cross multiply
    6,611,737.83x = 9,913,079.12 × 3,366,994.61
  4. Step 4: Simplify right side
    6,611,737.83x = 33,377,283,899,143.18
  5. Step 5: Solve for x
    x = 33,377,283,899,143.18/6,611,737.83
  6. Step 6: Final answer
    x = 5,048,186.23

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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.