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Finding the Fourth Proportional to 12,335.00, 18,489.74 and 5,755.77

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Solution

The fourth proportional to 12,335.00, 18,489.74 and 5,755.77 is: 8,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.00 : 18,489.74 = 5,755.77 : x
  2. Step 2: Convert to fraction form
    12,335.00/18,489.74 = 5,755.77/x
  3. Step 3: Cross multiply
    12,335.00x = 18,489.74 × 5,755.77
  4. Step 4: Simplify right side
    12,335.00x = 106,422,662.02
  5. Step 5: Solve for x
    x = 106,422,662.02/12,335.00
  6. Step 6: Final answer
    x = 8,627.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.