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Finding the Fourth Proportional to 53,929, 80,909.46 and 27,652.18

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Solution

The fourth proportional to 53,929, 80,909.46 and 27,652.18 is: 41,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929 : 80,909.46 = 27,652.18 : x
  2. Step 2: Convert to fraction form
    53,929/80,909.46 = 27,652.18/x
  3. Step 3: Cross multiply
    53,929x = 80,909.46 × 27,652.18
  4. Step 4: Simplify right side
    53,929x = 2,237,322,951.62
  5. Step 5: Solve for x
    x = 2,237,322,951.62/53,929
  6. Step 6: Final answer
    x = 41,486.45

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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.