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Finding the Fourth Proportional to 6,644.77, 9,948.69 and 3,347.86

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Solution

The fourth proportional to 6,644.77, 9,948.69 and 3,347.86 is: 5,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.77 : 9,948.69 = 3,347.86 : x
  2. Step 2: Convert to fraction form
    6,644.77/9,948.69 = 3,347.86/x
  3. Step 3: Cross multiply
    6,644.77x = 9,948.69 × 3,347.86
  4. Step 4: Simplify right side
    6,644.77x = 33,306,821.30
  5. Step 5: Solve for x
    x = 33,306,821.30/6,644.77
  6. Step 6: Final answer
    x = 5,012.49

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1.5x scale

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.