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Finding the Fourth Proportional to 67,329.83, 100,994.58 and 19,948.61

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Solution

The fourth proportional to 67,329.83, 100,994.58 and 19,948.61 is: 29,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,329.83 : 100,994.58 = 19,948.61 : x
  2. Step 2: Convert to fraction form
    67,329.83/100,994.58 = 19,948.61/x
  3. Step 3: Cross multiply
    67,329.83x = 100,994.58 × 19,948.61
  4. Step 4: Simplify right side
    67,329.83x = 2,014,701,741.02
  5. Step 5: Solve for x
    x = 2,014,701,741.02/67,329.83
  6. Step 6: Final answer
    x = 29,922.87

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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.