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Finding the Fourth Proportional to 6,601.90, 9,904.72 and 2,709.10

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Solution

The fourth proportional to 6,601.90, 9,904.72 and 2,709.10 is: 4,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.90 : 9,904.72 = 2,709.10 : x
  2. Step 2: Convert to fraction form
    6,601.90/9,904.72 = 2,709.10/x
  3. Step 3: Cross multiply
    6,601.90x = 9,904.72 × 2,709.10
  4. Step 4: Simplify right side
    6,601.90x = 26,832,876.95
  5. Step 5: Solve for x
    x = 26,832,876.95/6,601.90
  6. Step 6: Final answer
    x = 4,064.42

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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.