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Finding the Fourth Proportional to 5,393,993.04, 7,436,764.38 and 3,847,018.59

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Solution

The fourth proportional to 5,393,993.04, 7,436,764.38 and 3,847,018.59 is: 5,303,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,993.04 : 7,436,764.38 = 3,847,018.59 : x
  2. Step 2: Convert to fraction form
    5,393,993.04/7,436,764.38 = 3,847,018.59/x
  3. Step 3: Cross multiply
    5,393,993.04x = 7,436,764.38 × 3,847,018.59
  4. Step 4: Simplify right side
    5,393,993.04x = 28,609,370,819,309.82
  5. Step 5: Solve for x
    x = 28,609,370,819,309.82/5,393,993.04
  6. Step 6: Final answer
    x = 5,303,931.73

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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.