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Finding the Fourth Proportional to 34,899,796.88, 48,149,253.33 and 20,207,443.40

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Solution

The fourth proportional to 34,899,796.88, 48,149,253.33 and 20,207,443.40 is: 27,879,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,899,796.88 : 48,149,253.33 = 20,207,443.40 : x
  2. Step 2: Convert to fraction form
    34,899,796.88/48,149,253.33 = 20,207,443.40/x
  3. Step 3: Cross multiply
    34,899,796.88x = 48,149,253.33 × 20,207,443.40
  4. Step 4: Simplify right side
    34,899,796.88x = 972,973,311,418,236.38
  5. Step 5: Solve for x
    x = 972,973,311,418,236.38/34,899,796.88
  6. Step 6: Final answer
    x = 27,879,053.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.