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Finding the Fourth Proportional to 65,759.26, 90,725.56 and 37,444.90

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Solution

The fourth proportional to 65,759.26, 90,725.56 and 37,444.90 is: 51,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,759.26 : 90,725.56 = 37,444.90 : x
  2. Step 2: Convert to fraction form
    65,759.26/90,725.56 = 37,444.90/x
  3. Step 3: Cross multiply
    65,759.26x = 90,725.56 × 37,444.90
  4. Step 4: Simplify right side
    65,759.26x = 3,397,209,521.64
  5. Step 5: Solve for x
    x = 3,397,209,521.64/65,759.26
  6. Step 6: Final answer
    x = 51,661.31

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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.