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Finding the Fourth Proportional to 53,792.70, 80,698.83 and 22,185.20

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Solution

The fourth proportional to 53,792.70, 80,698.83 and 22,185.20 is: 33,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,792.70 : 80,698.83 = 22,185.20 : x
  2. Step 2: Convert to fraction form
    53,792.70/80,698.83 = 22,185.20/x
  3. Step 3: Cross multiply
    53,792.70x = 80,698.83 × 22,185.20
  4. Step 4: Simplify right side
    53,792.70x = 1,790,319,279.82
  5. Step 5: Solve for x
    x = 1,790,319,279.82/53,792.70
  6. Step 6: Final answer
    x = 33,281.83

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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.