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Finding the Fourth Proportional to 6,348,927.43, 8,761,544.95 and 3,448,366.74

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Solution

The fourth proportional to 6,348,927.43, 8,761,544.95 and 3,448,366.74 is: 4,758,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348,927.43 : 8,761,544.95 = 3,448,366.74 : x
  2. Step 2: Convert to fraction form
    6,348,927.43/8,761,544.95 = 3,448,366.74/x
  3. Step 3: Cross multiply
    6,348,927.43x = 8,761,544.95 × 3,448,366.74
  4. Step 4: Simplify right side
    6,348,927.43x = 30,213,020,196,594.96
  5. Step 5: Solve for x
    x = 30,213,020,196,594.96/6,348,927.43
  6. Step 6: Final answer
    x = 4,758,759.73

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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.