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Finding the Fourth Proportional to 6,349,695.78, 8,762,743.16 and 3,449,252.64

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Solution

The fourth proportional to 6,349,695.78, 8,762,743.16 and 3,449,252.64 is: 4,760,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349,695.78 : 8,762,743.16 = 3,449,252.64 : x
  2. Step 2: Convert to fraction form
    6,349,695.78/8,762,743.16 = 3,449,252.64/x
  3. Step 3: Cross multiply
    6,349,695.78x = 8,762,743.16 × 3,449,252.64
  4. Step 4: Simplify right side
    6,349,695.78x = 30,224,914,978,271.95
  5. Step 5: Solve for x
    x = 30,224,914,978,271.95/6,349,695.78
  6. Step 6: Final answer
    x = 4,760,057.18

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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.