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Finding the Fourth Proportional to 64,125.72, 96,188.58 and 17,378.58

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Solution

The fourth proportional to 64,125.72, 96,188.58 and 17,378.58 is: 26,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.72 : 96,188.58 = 17,378.58 : x
  2. Step 2: Convert to fraction form
    64,125.72/96,188.58 = 17,378.58/x
  3. Step 3: Cross multiply
    64,125.72x = 96,188.58 × 17,378.58
  4. Step 4: Simplify right side
    64,125.72x = 1,671,620,932.62
  5. Step 5: Solve for x
    x = 1,671,620,932.62/64,125.72
  6. Step 6: Final answer
    x = 26,067.87

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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.