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Finding the Fourth Proportional to 65,684.52, 90,649.26 and 36,614.75

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Solution

The fourth proportional to 65,684.52, 90,649.26 and 36,614.75 is: 50,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,684.52 : 90,649.26 = 36,614.75 : x
  2. Step 2: Convert to fraction form
    65,684.52/90,649.26 = 36,614.75/x
  3. Step 3: Cross multiply
    65,684.52x = 90,649.26 × 36,614.75
  4. Step 4: Simplify right side
    65,684.52x = 3,319,099,539.34
  5. Step 5: Solve for x
    x = 3,319,099,539.34/65,684.52
  6. Step 6: Final answer
    x = 50,530.92

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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.