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Finding the Fourth Proportional to 4,607.79, 6,895.23 and 3,689.25

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Solution

The fourth proportional to 4,607.79, 6,895.23 and 3,689.25 is: 5,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.79 : 6,895.23 = 3,689.25 : x
  2. Step 2: Convert to fraction form
    4,607.79/6,895.23 = 3,689.25/x
  3. Step 3: Cross multiply
    4,607.79x = 6,895.23 × 3,689.25
  4. Step 4: Simplify right side
    4,607.79x = 25,438,227.28
  5. Step 5: Solve for x
    x = 25,438,227.28/4,607.79
  6. Step 6: Final answer
    x = 5,520.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.