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Finding the Fourth Proportional to 5,297,859.84, 7,947,974.36 and 1,932,066.84

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Solution

The fourth proportional to 5,297,859.84, 7,947,974.36 and 1,932,066.84 is: 2,898,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297,859.84 : 7,947,974.36 = 1,932,066.84 : x
  2. Step 2: Convert to fraction form
    5,297,859.84/7,947,974.36 = 1,932,066.84/x
  3. Step 3: Cross multiply
    5,297,859.84x = 7,947,974.36 × 1,932,066.84
  4. Step 4: Simplify right side
    5,297,859.84x = 15,356,017,656,726.02
  5. Step 5: Solve for x
    x = 15,356,017,656,726.02/5,297,859.84
  6. Step 6: Final answer
    x = 2,898,532.26

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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.