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Finding the Fourth Proportional to 8,889,704.80, 13,334,557.20 and 6,149,831.20

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Solution

The fourth proportional to 8,889,704.80, 13,334,557.20 and 6,149,831.20 is: 9,224,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,704.80 : 13,334,557.20 = 6,149,831.20 : x
  2. Step 2: Convert to fraction form
    8,889,704.80/13,334,557.20 = 6,149,831.20/x
  3. Step 3: Cross multiply
    8,889,704.80x = 13,334,557.20 × 6,149,831.20
  4. Step 4: Simplify right side
    8,889,704.80x = 82,005,275,906,744.64
  5. Step 5: Solve for x
    x = 82,005,275,906,744.64/8,889,704.80
  6. Step 6: Final answer
    x = 9,224,746.80

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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.