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Finding the Fourth Proportional to 66,671.92, 100,007.85 and 26,709.04

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Solution

The fourth proportional to 66,671.92, 100,007.85 and 26,709.04 is: 40,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,671.92 : 100,007.85 = 26,709.04 : x
  2. Step 2: Convert to fraction form
    66,671.92/100,007.85 = 26,709.04/x
  3. Step 3: Cross multiply
    66,671.92x = 100,007.85 × 26,709.04
  4. Step 4: Simplify right side
    66,671.92x = 2,671,113,665.96
  5. Step 5: Solve for x
    x = 2,671,113,665.96/66,671.92
  6. Step 6: Final answer
    x = 40,063.55

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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.