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Finding the Fourth Proportional to 6,702,372.40, 10,053,947.40 and 1,910,412.40

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Solution

The fourth proportional to 6,702,372.40, 10,053,947.40 and 1,910,412.40 is: 2,865,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702,372.40 : 10,053,947.40 = 1,910,412.40 : x
  2. Step 2: Convert to fraction form
    6,702,372.40/10,053,947.40 = 1,910,412.40/x
  3. Step 3: Cross multiply
    6,702,372.40x = 10,053,947.40 × 1,910,412.40
  4. Step 4: Simplify right side
    6,702,372.40x = 19,207,185,781,907.76
  5. Step 5: Solve for x
    x = 19,207,185,781,907.76/6,702,372.40
  6. Step 6: Final answer
    x = 2,865,729.42

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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.