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Finding the Fourth Proportional to 70,093.58, 96,726.38 and 38,262.44

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Solution

The fourth proportional to 70,093.58, 96,726.38 and 38,262.44 is: 52,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,093.58 : 96,726.38 = 38,262.44 : x
  2. Step 2: Convert to fraction form
    70,093.58/96,726.38 = 38,262.44/x
  3. Step 3: Cross multiply
    70,093.58x = 96,726.38 × 38,262.44
  4. Step 4: Simplify right side
    70,093.58x = 3,700,987,311.17
  5. Step 5: Solve for x
    x = 3,700,987,311.17/70,093.58
  6. Step 6: Final answer
    x = 52,800.66

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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.