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Finding the Fourth Proportional to 45,301.44, 67,921.14 and 23,071.80

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Solution

The fourth proportional to 45,301.44, 67,921.14 and 23,071.80 is: 34,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.44 : 67,921.14 = 23,071.80 : x
  2. Step 2: Convert to fraction form
    45,301.44/67,921.14 = 23,071.80/x
  3. Step 3: Cross multiply
    45,301.44x = 67,921.14 × 23,071.80
  4. Step 4: Simplify right side
    45,301.44x = 1,567,062,957.85
  5. Step 5: Solve for x
    x = 1,567,062,957.85/45,301.44
  6. Step 6: Final answer
    x = 34,591.90

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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.