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Finding the Fourth Proportional to 67,380.93, 101,071.08 and 17,456.76

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Solution

The fourth proportional to 67,380.93, 101,071.08 and 17,456.76 is: 26,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.93 : 101,071.08 = 17,456.76 : x
  2. Step 2: Convert to fraction form
    67,380.93/101,071.08 = 17,456.76/x
  3. Step 3: Cross multiply
    67,380.93x = 101,071.08 × 17,456.76
  4. Step 4: Simplify right side
    67,380.93x = 1,764,373,586.50
  5. Step 5: Solve for x
    x = 1,764,373,586.50/67,380.93
  6. Step 6: Final answer
    x = 26,185.06

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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.