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Finding the Fourth Proportional to 6,604.10, 9,906.15 and 5,308.10

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Solution

The fourth proportional to 6,604.10, 9,906.15 and 5,308.10 is: 7,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.10 : 9,906.15 = 5,308.10 : x
  2. Step 2: Convert to fraction form
    6,604.10/9,906.15 = 5,308.10/x
  3. Step 3: Cross multiply
    6,604.10x = 9,906.15 × 5,308.10
  4. Step 4: Simplify right side
    6,604.10x = 52,582,834.82
  5. Step 5: Solve for x
    x = 52,582,834.82/6,604.10
  6. Step 6: Final answer
    x = 7,962.15

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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.