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Finding the Fourth Proportional to 53,765.46, 80,679.31 and 22,169.63

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Solution

The fourth proportional to 53,765.46, 80,679.31 and 22,169.63 is: 33,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.46 : 80,679.31 = 22,169.63 : x
  2. Step 2: Convert to fraction form
    53,765.46/80,679.31 = 22,169.63/x
  3. Step 3: Cross multiply
    53,765.46x = 80,679.31 × 22,169.63
  4. Step 4: Simplify right side
    53,765.46x = 1,788,630,597.63
  5. Step 5: Solve for x
    x = 1,788,630,597.63/53,765.46
  6. Step 6: Final answer
    x = 33,267.28

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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.