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Finding the Fourth Proportional to 36,671.74, 55,007.61 and 8,969.74

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Solution

The fourth proportional to 36,671.74, 55,007.61 and 8,969.74 is: 13,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671.74 : 55,007.61 = 8,969.74 : x
  2. Step 2: Convert to fraction form
    36,671.74/55,007.61 = 8,969.74/x
  3. Step 3: Cross multiply
    36,671.74x = 55,007.61 × 8,969.74
  4. Step 4: Simplify right side
    36,671.74x = 493,403,959.72
  5. Step 5: Solve for x
    x = 493,403,959.72/36,671.74
  6. Step 6: Final answer
    x = 13,454.61

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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.