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Finding the Fourth Proportional to 34,187,863.80, 51,281,795.70 and 10,253,335.80

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Solution

The fourth proportional to 34,187,863.80, 51,281,795.70 and 10,253,335.80 is: 15,380,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187,863.80 : 51,281,795.70 = 10,253,335.80 : x
  2. Step 2: Convert to fraction form
    34,187,863.80/51,281,795.70 = 10,253,335.80/x
  3. Step 3: Cross multiply
    34,187,863.80x = 51,281,795.70 × 10,253,335.80
  4. Step 4: Simplify right side
    34,187,863.80x = 525,809,471,739,096.12
  5. Step 5: Solve for x
    x = 525,809,471,739,096.12/34,187,863.80
  6. Step 6: Final answer
    x = 15,380,003.70

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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.