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Finding the Fourth Proportional to 67,726.26, 101,582.10 and 20,336.40

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Solution

The fourth proportional to 67,726.26, 101,582.10 and 20,336.40 is: 30,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,726.26 : 101,582.10 = 20,336.40 : x
  2. Step 2: Convert to fraction form
    67,726.26/101,582.10 = 20,336.40/x
  3. Step 3: Cross multiply
    67,726.26x = 101,582.10 × 20,336.40
  4. Step 4: Simplify right side
    67,726.26x = 2,065,814,218.44
  5. Step 5: Solve for x
    x = 2,065,814,218.44/67,726.26
  6. Step 6: Final answer
    x = 30,502.41

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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.