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Finding the Fourth Proportional to 4,893,405.15, 7,340,107.73 and 4,893,405.15

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Solution

The fourth proportional to 4,893,405.15, 7,340,107.73 and 4,893,405.15 is: 7,340,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893,405.15 : 7,340,107.73 = 4,893,405.15 : x
  2. Step 2: Convert to fraction form
    4,893,405.15/7,340,107.73 = 4,893,405.15/x
  3. Step 3: Cross multiply
    4,893,405.15x = 7,340,107.73 × 4,893,405.15
  4. Step 4: Simplify right side
    4,893,405.15x = 35,918,120,943,069.78
  5. Step 5: Solve for x
    x = 35,918,120,943,069.78/4,893,405.15
  6. Step 6: Final answer
    x = 7,340,107.73

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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.