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Finding the Fourth Proportional to 8,954.66, 13,431.99 and 2,798.66

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Solution

The fourth proportional to 8,954.66, 13,431.99 and 2,798.66 is: 4,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.66 : 13,431.99 = 2,798.66 : x
  2. Step 2: Convert to fraction form
    8,954.66/13,431.99 = 2,798.66/x
  3. Step 3: Cross multiply
    8,954.66x = 13,431.99 × 2,798.66
  4. Step 4: Simplify right side
    8,954.66x = 37,591,573.13
  5. Step 5: Solve for x
    x = 37,591,573.13/8,954.66
  6. Step 6: Final answer
    x = 4,197.99

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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.