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Finding the Fourth Proportional to 73,100.06, 109,609.08 and 35,580.25

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Solution

The fourth proportional to 73,100.06, 109,609.08 and 35,580.25 is: 53,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100.06 : 109,609.08 = 35,580.25 : x
  2. Step 2: Convert to fraction form
    73,100.06/109,609.08 = 35,580.25/x
  3. Step 3: Cross multiply
    73,100.06x = 109,609.08 × 35,580.25
  4. Step 4: Simplify right side
    73,100.06x = 3,899,918,468.67
  5. Step 5: Solve for x
    x = 3,899,918,468.67/73,100.06
  6. Step 6: Final answer
    x = 53,350.41

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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.