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Finding the Fourth Proportional to 6,670.92, 10,008.54 and 2,775.72

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Solution

The fourth proportional to 6,670.92, 10,008.54 and 2,775.72 is: 4,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.92 : 10,008.54 = 2,775.72 : x
  2. Step 2: Convert to fraction form
    6,670.92/10,008.54 = 2,775.72/x
  3. Step 3: Cross multiply
    6,670.92x = 10,008.54 × 2,775.72
  4. Step 4: Simplify right side
    6,670.92x = 27,780,904.65
  5. Step 5: Solve for x
    x = 27,780,904.65/6,670.92
  6. Step 6: Final answer
    x = 4,164.48

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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.