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Finding the Fourth Proportional to 6,312.73, 8,710.16 and 3,623.79

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Solution

The fourth proportional to 6,312.73, 8,710.16 and 3,623.79 is: 5,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.73 : 8,710.16 = 3,623.79 : x
  2. Step 2: Convert to fraction form
    6,312.73/8,710.16 = 3,623.79/x
  3. Step 3: Cross multiply
    6,312.73x = 8,710.16 × 3,623.79
  4. Step 4: Simplify right side
    6,312.73x = 31,563,772.59
  5. Step 5: Solve for x
    x = 31,563,772.59/6,312.73
  6. Step 6: Final answer
    x = 5,000.02

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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.