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Finding the Fourth Proportional to 6,487,601.78, 8,952,671.12 and 3,733,906.98

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Solution

The fourth proportional to 6,487,601.78, 8,952,671.12 and 3,733,906.98 is: 5,152,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487,601.78 : 8,952,671.12 = 3,733,906.98 : x
  2. Step 2: Convert to fraction form
    6,487,601.78/8,952,671.12 = 3,733,906.98/x
  3. Step 3: Cross multiply
    6,487,601.78x = 8,952,671.12 × 3,733,906.98
  4. Step 4: Simplify right side
    6,487,601.78x = 33,428,441,184,612.41
  5. Step 5: Solve for x
    x = 33,428,441,184,612.41/6,487,601.78
  6. Step 6: Final answer
    x = 5,152,665.39

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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.