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Finding the Fourth Proportional to 65,594.56, 90,504.39 and 38,366.41

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Solution

The fourth proportional to 65,594.56, 90,504.39 and 38,366.41 is: 52,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,594.56 : 90,504.39 = 38,366.41 : x
  2. Step 2: Convert to fraction form
    65,594.56/90,504.39 = 38,366.41/x
  3. Step 3: Cross multiply
    65,594.56x = 90,504.39 × 38,366.41
  4. Step 4: Simplify right side
    65,594.56x = 3,472,328,533.54
  5. Step 5: Solve for x
    x = 3,472,328,533.54/65,594.56
  6. Step 6: Final answer
    x = 52,936.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.