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Finding the Fourth Proportional to 5,619,219.71, 7,754,494.65 and 3,040,900.48

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Solution

The fourth proportional to 5,619,219.71, 7,754,494.65 and 3,040,900.48 is: 4,196,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619,219.71 : 7,754,494.65 = 3,040,900.48 : x
  2. Step 2: Convert to fraction form
    5,619,219.71/7,754,494.65 = 3,040,900.48/x
  3. Step 3: Cross multiply
    5,619,219.71x = 7,754,494.65 × 3,040,900.48
  4. Step 4: Simplify right side
    5,619,219.71x = 23,580,646,518,737.24
  5. Step 5: Solve for x
    x = 23,580,646,518,737.24/5,619,219.71
  6. Step 6: Final answer
    x = 4,196,427.22

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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.