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Finding the Fourth Proportional to 4,893,278.60, 6,864,761.80 and 4,893,278.60

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Solution

The fourth proportional to 4,893,278.60, 6,864,761.80 and 4,893,278.60 is: 6,864,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893,278.60 : 6,864,761.80 = 4,893,278.60 : x
  2. Step 2: Convert to fraction form
    4,893,278.60/6,864,761.80 = 4,893,278.60/x
  3. Step 3: Cross multiply
    4,893,278.60x = 6,864,761.80 × 4,893,278.60
  4. Step 4: Simplify right side
    4,893,278.60x = 33,591,192,010,037.48
  5. Step 5: Solve for x
    x = 33,591,192,010,037.48/4,893,278.60
  6. Step 6: Final answer
    x = 6,864,761.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.