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Finding the Fourth Proportional to 6,349,474.71, 8,762,341.10 and 3,448,922.31

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Solution

The fourth proportional to 6,349,474.71, 8,762,341.10 and 3,448,922.31 is: 4,759,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349,474.71 : 8,762,341.10 = 3,448,922.31 : x
  2. Step 2: Convert to fraction form
    6,349,474.71/8,762,341.10 = 3,448,922.31/x
  3. Step 3: Cross multiply
    6,349,474.71x = 8,762,341.10 × 3,448,922.31
  4. Step 4: Simplify right side
    6,349,474.71x = 30,220,633,690,375.33
  5. Step 5: Solve for x
    x = 30,220,633,690,375.33/6,349,474.71
  6. Step 6: Final answer
    x = 4,759,548.64

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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.