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Finding the Fourth Proportional to 34,955,400.80, 52,456,720.80 and 19,602,660.80

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Solution

The fourth proportional to 34,955,400.80, 52,456,720.80 and 19,602,660.80 is: 29,417,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955,400.80 : 52,456,720.80 = 19,602,660.80 : x
  2. Step 2: Convert to fraction form
    34,955,400.80/52,456,720.80 = 19,602,660.80/x
  3. Step 3: Cross multiply
    34,955,400.80x = 52,456,720.80 × 19,602,660.80
  4. Step 4: Simplify right side
    34,955,400.80x = 1,028,291,304,522,704.62
  5. Step 5: Solve for x
    x = 1,028,291,304,522,704.62/34,955,400.80
  6. Step 6: Final answer
    x = 29,417,236.85

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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.