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Finding the Fourth Proportional to 6,615.88, 9,923.72 and 2,236.41

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Solution

The fourth proportional to 6,615.88, 9,923.72 and 2,236.41 is: 3,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.88 : 9,923.72 = 2,236.41 : x
  2. Step 2: Convert to fraction form
    6,615.88/9,923.72 = 2,236.41/x
  3. Step 3: Cross multiply
    6,615.88x = 9,923.72 × 2,236.41
  4. Step 4: Simplify right side
    6,615.88x = 22,193,495.46
  5. Step 5: Solve for x
    x = 22,193,495.46/6,615.88
  6. Step 6: Final answer
    x = 3,354.58

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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.