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Finding the Fourth Proportional to 52,987.52, 79,481.28 and 17,951.84

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Solution

The fourth proportional to 52,987.52, 79,481.28 and 17,951.84 is: 26,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.52 : 79,481.28 = 17,951.84 : x
  2. Step 2: Convert to fraction form
    52,987.52/79,481.28 = 17,951.84/x
  3. Step 3: Cross multiply
    52,987.52x = 79,481.28 × 17,951.84
  4. Step 4: Simplify right side
    52,987.52x = 1,426,835,221.56
  5. Step 5: Solve for x
    x = 1,426,835,221.56/52,987.52
  6. Step 6: Final answer
    x = 26,927.76

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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.