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Finding the Fourth Proportional to 66,819.08, 100,230.38 and 22,447.40

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Solution

The fourth proportional to 66,819.08, 100,230.38 and 22,447.40 is: 33,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,819.08 : 100,230.38 = 22,447.40 : x
  2. Step 2: Convert to fraction form
    66,819.08/100,230.38 = 22,447.40/x
  3. Step 3: Cross multiply
    66,819.08x = 100,230.38 × 22,447.40
  4. Step 4: Simplify right side
    66,819.08x = 2,249,911,432.01
  5. Step 5: Solve for x
    x = 2,249,911,432.01/66,819.08
  6. Step 6: Final answer
    x = 33,671.69

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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.