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Finding the Fourth Proportional to 6,283.45, 8,665.38 and 4,269.89

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Solution

The fourth proportional to 6,283.45, 8,665.38 and 4,269.89 is: 5,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.45 : 8,665.38 = 4,269.89 : x
  2. Step 2: Convert to fraction form
    6,283.45/8,665.38 = 4,269.89/x
  3. Step 3: Cross multiply
    6,283.45x = 8,665.38 × 4,269.89
  4. Step 4: Simplify right side
    6,283.45x = 37,000,180.14
  5. Step 5: Solve for x
    x = 37,000,180.14/6,283.45
  6. Step 6: Final answer
    x = 5,888.51

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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.