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Finding the Fourth Proportional to 44,253.84, 66,380.76 and 13,086.66

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Solution

The fourth proportional to 44,253.84, 66,380.76 and 13,086.66 is: 19,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,253.84 : 66,380.76 = 13,086.66 : x
  2. Step 2: Convert to fraction form
    44,253.84/66,380.76 = 13,086.66/x
  3. Step 3: Cross multiply
    44,253.84x = 66,380.76 × 13,086.66
  4. Step 4: Simplify right side
    44,253.84x = 868,702,436.66
  5. Step 5: Solve for x
    x = 868,702,436.66/44,253.84
  6. Step 6: Final answer
    x = 19,629.99

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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.