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Finding the Fourth Proportional to 73,396.40, 110,094.39 and 20,806.34

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Solution

The fourth proportional to 73,396.40, 110,094.39 and 20,806.34 is: 31,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396.40 : 110,094.39 = 20,806.34 : x
  2. Step 2: Convert to fraction form
    73,396.40/110,094.39 = 20,806.34/x
  3. Step 3: Cross multiply
    73,396.40x = 110,094.39 × 20,806.34
  4. Step 4: Simplify right side
    73,396.40x = 2,290,660,759.96
  5. Step 5: Solve for x
    x = 2,290,660,759.96/73,396.40
  6. Step 6: Final answer
    x = 31,209.45

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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.