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Finding the Fourth Proportional to 36,641.84, 54,920.16 and 16,878.88

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Solution

The fourth proportional to 36,641.84, 54,920.16 and 16,878.88 is: 25,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,641.84 : 54,920.16 = 16,878.88 : x
  2. Step 2: Convert to fraction form
    36,641.84/54,920.16 = 16,878.88/x
  3. Step 3: Cross multiply
    36,641.84x = 54,920.16 × 16,878.88
  4. Step 4: Simplify right side
    36,641.84x = 926,990,790.22
  5. Step 5: Solve for x
    x = 926,990,790.22/36,641.84
  6. Step 6: Final answer
    x = 25,298.70

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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.