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Finding the Fourth Proportional to 6,604.60, 9,115.86 and 4,508.50

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Solution

The fourth proportional to 6,604.60, 9,115.86 and 4,508.50 is: 6,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.60 : 9,115.86 = 4,508.50 : x
  2. Step 2: Convert to fraction form
    6,604.60/9,115.86 = 4,508.50/x
  3. Step 3: Cross multiply
    6,604.60x = 9,115.86 × 4,508.50
  4. Step 4: Simplify right side
    6,604.60x = 41,098,854.81
  5. Step 5: Solve for x
    x = 41,098,854.81/6,604.60
  6. Step 6: Final answer
    x = 6,222.76

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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.