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Finding the Fourth Proportional to 6,670.08, 10,005.15 and 2,774.49

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Solution

The fourth proportional to 6,670.08, 10,005.15 and 2,774.49 is: 4,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.08 : 10,005.15 = 2,774.49 : x
  2. Step 2: Convert to fraction form
    6,670.08/10,005.15 = 2,774.49/x
  3. Step 3: Cross multiply
    6,670.08x = 10,005.15 × 2,774.49
  4. Step 4: Simplify right side
    6,670.08x = 27,759,188.62
  5. Step 5: Solve for x
    x = 27,759,188.62/6,670.08
  6. Step 6: Final answer
    x = 4,161.75

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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.