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Finding the Fourth Proportional to 39,473.88, 59,220.06 and 26,999.78

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Solution

The fourth proportional to 39,473.88, 59,220.06 and 26,999.78 is: 40,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.88 : 59,220.06 = 26,999.78 : x
  2. Step 2: Convert to fraction form
    39,473.88/59,220.06 = 26,999.78/x
  3. Step 3: Cross multiply
    39,473.88x = 59,220.06 × 26,999.78
  4. Step 4: Simplify right side
    39,473.88x = 1,598,928,591.59
  5. Step 5: Solve for x
    x = 1,598,928,591.59/39,473.88
  6. Step 6: Final answer
    x = 40,505.99

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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.