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Finding the Fourth Proportional to 8,283,410.40, 12,417,728.40 and 3,233,546.40

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Solution

The fourth proportional to 8,283,410.40, 12,417,728.40 and 3,233,546.40 is: 4,847,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,410.40 : 12,417,728.40 = 3,233,546.40 : x
  2. Step 2: Convert to fraction form
    8,283,410.40/12,417,728.40 = 3,233,546.40/x
  3. Step 3: Cross multiply
    8,283,410.40x = 12,417,728.40 × 3,233,546.40
  4. Step 4: Simplify right side
    8,283,410.40x = 40,153,300,963,997.76
  5. Step 5: Solve for x
    x = 40,153,300,963,997.76/8,283,410.40
  6. Step 6: Final answer
    x = 4,847,435.90

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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.