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Finding the Fourth Proportional to 6,590.05, 9,885.12 and 2,207.53

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Solution

The fourth proportional to 6,590.05, 9,885.12 and 2,207.53 is: 3,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.05 : 9,885.12 = 2,207.53 : x
  2. Step 2: Convert to fraction form
    6,590.05/9,885.12 = 2,207.53/x
  3. Step 3: Cross multiply
    6,590.05x = 9,885.12 × 2,207.53
  4. Step 4: Simplify right side
    6,590.05x = 21,821,698.95
  5. Step 5: Solve for x
    x = 21,821,698.95/6,590.05
  6. Step 6: Final answer
    x = 3,311.31

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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.