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Finding the Fourth Proportional to 8,627.63, 11,906.12 and 4,901.63

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Solution

The fourth proportional to 8,627.63, 11,906.12 and 4,901.63 is: 6,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.63 : 11,906.12 = 4,901.63 : x
  2. Step 2: Convert to fraction form
    8,627.63/11,906.12 = 4,901.63/x
  3. Step 3: Cross multiply
    8,627.63x = 11,906.12 × 4,901.63
  4. Step 4: Simplify right side
    8,627.63x = 58,359,347.70
  5. Step 5: Solve for x
    x = 58,359,347.70/8,627.63
  6. Step 6: Final answer
    x = 6,764.24

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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.