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Finding the Fourth Proportional to 6,241.57, 8,605.17 and 4,807.55

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Solution

The fourth proportional to 6,241.57, 8,605.17 and 4,807.55 is: 6,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.57 : 8,605.17 = 4,807.55 : x
  2. Step 2: Convert to fraction form
    6,241.57/8,605.17 = 4,807.55/x
  3. Step 3: Cross multiply
    6,241.57x = 8,605.17 × 4,807.55
  4. Step 4: Simplify right side
    6,241.57x = 41,369,806.55
  5. Step 5: Solve for x
    x = 41,369,806.55/6,241.57
  6. Step 6: Final answer
    x = 6,628.11

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1.5x scale

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.