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Finding the Fourth Proportional to 9,692,994.78, 13,375,787.23 and 5,342,067.36

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Solution

The fourth proportional to 9,692,994.78, 13,375,787.23 and 5,342,067.36 is: 7,371,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692,994.78 : 13,375,787.23 = 5,342,067.36 : x
  2. Step 2: Convert to fraction form
    9,692,994.78/13,375,787.23 = 5,342,067.36/x
  3. Step 3: Cross multiply
    9,692,994.78x = 13,375,787.23 × 5,342,067.36
  4. Step 4: Simplify right side
    9,692,994.78x = 71,454,356,375,687.81
  5. Step 5: Solve for x
    x = 71,454,356,375,687.81/9,692,994.78
  6. Step 6: Final answer
    x = 7,371,752.28

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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.