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Finding the Fourth Proportional to 8,606.05, 11,876.52 and 4,829.49

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Solution

The fourth proportional to 8,606.05, 11,876.52 and 4,829.49 is: 6,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.05 : 11,876.52 = 4,829.49 : x
  2. Step 2: Convert to fraction form
    8,606.05/11,876.52 = 4,829.49/x
  3. Step 3: Cross multiply
    8,606.05x = 11,876.52 × 4,829.49
  4. Step 4: Simplify right side
    8,606.05x = 57,357,508.15
  5. Step 5: Solve for x
    x = 57,357,508.15/8,606.05
  6. Step 6: Final answer
    x = 6,664.79

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1.5x scale

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.