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Finding the Fourth Proportional to 8,508.60, 11,741.31 and 4,731.48

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Solution

The fourth proportional to 8,508.60, 11,741.31 and 4,731.48 is: 6,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.60 : 11,741.31 = 4,731.48 : x
  2. Step 2: Convert to fraction form
    8,508.60/11,741.31 = 4,731.48/x
  3. Step 3: Cross multiply
    8,508.60x = 11,741.31 × 4,731.48
  4. Step 4: Simplify right side
    8,508.60x = 55,553,773.44
  5. Step 5: Solve for x
    x = 55,553,773.44/8,508.60
  6. Step 6: Final answer
    x = 6,529.13

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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.