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Finding the Fourth Proportional to 8,447.73, 11,657.51 and 5,000.55

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Solution

The fourth proportional to 8,447.73, 11,657.51 and 5,000.55 is: 6,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.73 : 11,657.51 = 5,000.55 : x
  2. Step 2: Convert to fraction form
    8,447.73/11,657.51 = 5,000.55/x
  3. Step 3: Cross multiply
    8,447.73x = 11,657.51 × 5,000.55
  4. Step 4: Simplify right side
    8,447.73x = 58,293,961.63
  5. Step 5: Solve for x
    x = 58,293,961.63/8,447.73
  6. Step 6: Final answer
    x = 6,900.55

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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.