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Finding the Fourth Proportional to 66,898.80, 100,332 and 22,514.04

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Solution

The fourth proportional to 66,898.80, 100,332 and 22,514.04 is: 33,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.80 : 100,332 = 22,514.04 : x
  2. Step 2: Convert to fraction form
    66,898.80/100,332 = 22,514.04/x
  3. Step 3: Cross multiply
    66,898.80x = 100,332 × 22,514.04
  4. Step 4: Simplify right side
    66,898.80x = 2,258,878,661.28
  5. Step 5: Solve for x
    x = 2,258,878,661.28/66,898.80
  6. Step 6: Final answer
    x = 33,765.61

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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.