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Finding the Fourth Proportional to 7,060.92, 9,741.84 and 4,076.36

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Solution

The fourth proportional to 7,060.92, 9,741.84 and 4,076.36 is: 5,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.92 : 9,741.84 = 4,076.36 : x
  2. Step 2: Convert to fraction form
    7,060.92/9,741.84 = 4,076.36/x
  3. Step 3: Cross multiply
    7,060.92x = 9,741.84 × 4,076.36
  4. Step 4: Simplify right side
    7,060.92x = 39,711,246.90
  5. Step 5: Solve for x
    x = 39,711,246.90/7,060.92
  6. Step 6: Final answer
    x = 5,624.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.