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Finding the Fourth Proportional to 65,304.82, 90,120.37 and 35,497.46

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Solution

The fourth proportional to 65,304.82, 90,120.37 and 35,497.46 is: 48,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,304.82 : 90,120.37 = 35,497.46 : x
  2. Step 2: Convert to fraction form
    65,304.82/90,120.37 = 35,497.46/x
  3. Step 3: Cross multiply
    65,304.82x = 90,120.37 × 35,497.46
  4. Step 4: Simplify right side
    65,304.82x = 3,199,044,229.26
  5. Step 5: Solve for x
    x = 3,199,044,229.26/65,304.82
  6. Step 6: Final answer
    x = 48,986.34

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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.