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Finding the Fourth Proportional to 8,507,738.04, 11,740,391.98 and 5,068,197.56

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Solution

The fourth proportional to 8,507,738.04, 11,740,391.98 and 5,068,197.56 is: 6,993,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,738.04 : 11,740,391.98 = 5,068,197.56 : x
  2. Step 2: Convert to fraction form
    8,507,738.04/11,740,391.98 = 5,068,197.56/x
  3. Step 3: Cross multiply
    8,507,738.04x = 11,740,391.98 × 5,068,197.56
  4. Step 4: Simplify right side
    8,507,738.04x = 59,502,625,986,479.56
  5. Step 5: Solve for x
    x = 59,502,625,986,479.56/8,507,738.04
  6. Step 6: Final answer
    x = 6,993,941.95

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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.