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Finding the Fourth Proportional to 7,839,693.94, 11,754,963.30 and 3,041,779.54

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Solution

The fourth proportional to 7,839,693.94, 11,754,963.30 and 3,041,779.54 is: 4,560,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,693.94 : 11,754,963.30 = 3,041,779.54 : x
  2. Step 2: Convert to fraction form
    7,839,693.94/11,754,963.30 = 3,041,779.54/x
  3. Step 3: Cross multiply
    7,839,693.94x = 11,754,963.30 × 3,041,779.54
  4. Step 4: Simplify right side
    7,839,693.94x = 35,756,006,859,390.88
  5. Step 5: Solve for x
    x = 35,756,006,859,390.88/7,839,693.94
  6. Step 6: Final answer
    x = 4,560,893.21

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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.