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Finding the Fourth Proportional to 6,624,694.24, 9,929,954.40 and 3,426,600.64

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Solution

The fourth proportional to 6,624,694.24, 9,929,954.40 and 3,426,600.64 is: 5,136,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624,694.24 : 9,929,954.40 = 3,426,600.64 : x
  2. Step 2: Convert to fraction form
    6,624,694.24/9,929,954.40 = 3,426,600.64/x
  3. Step 3: Cross multiply
    6,624,694.24x = 9,929,954.40 × 3,426,600.64
  4. Step 4: Simplify right side
    6,624,694.24x = 34,025,988,102,210.82
  5. Step 5: Solve for x
    x = 34,025,988,102,210.82/6,624,694.24
  6. Step 6: Final answer
    x = 5,136,235.25

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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.