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Finding the Fourth Proportional to 7,672.93, 10,585.07 and 4,983.97

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Solution

The fourth proportional to 7,672.93, 10,585.07 and 4,983.97 is: 6,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.93 : 10,585.07 = 4,983.97 : x
  2. Step 2: Convert to fraction form
    7,672.93/10,585.07 = 4,983.97/x
  3. Step 3: Cross multiply
    7,672.93x = 10,585.07 × 4,983.97
  4. Step 4: Simplify right side
    7,672.93x = 52,755,638.64
  5. Step 5: Solve for x
    x = 52,755,638.64/7,672.93
  6. Step 6: Final answer
    x = 6,875.55

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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.