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Finding the Fourth Proportional to 27,333.25, 40,999.88 and 8,865.25

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Solution

The fourth proportional to 27,333.25, 40,999.88 and 8,865.25 is: 13,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.25 : 40,999.88 = 8,865.25 : x
  2. Step 2: Convert to fraction form
    27,333.25/40,999.88 = 8,865.25/x
  3. Step 3: Cross multiply
    27,333.25x = 40,999.88 × 8,865.25
  4. Step 4: Simplify right side
    27,333.25x = 363,474,186.17
  5. Step 5: Solve for x
    x = 363,474,186.17/27,333.25
  6. Step 6: Final answer
    x = 13,297.88

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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.