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Finding the Fourth Proportional to 6,601.16, 9,905.46 and 2,708.30

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Solution

The fourth proportional to 6,601.16, 9,905.46 and 2,708.30 is: 4,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.16 : 9,905.46 = 2,708.30 : x
  2. Step 2: Convert to fraction form
    6,601.16/9,905.46 = 2,708.30/x
  3. Step 3: Cross multiply
    6,601.16x = 9,905.46 × 2,708.30
  4. Step 4: Simplify right side
    6,601.16x = 26,826,957.32
  5. Step 5: Solve for x
    x = 26,826,957.32/6,601.16
  6. Step 6: Final answer
    x = 4,063.98

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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.