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Finding the Fourth Proportional to 70,556.60, 105,832.72 and 23,805.56

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Solution

The fourth proportional to 70,556.60, 105,832.72 and 23,805.56 is: 35,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,556.60 : 105,832.72 = 23,805.56 : x
  2. Step 2: Convert to fraction form
    70,556.60/105,832.72 = 23,805.56/x
  3. Step 3: Cross multiply
    70,556.60x = 105,832.72 × 23,805.56
  4. Step 4: Simplify right side
    70,556.60x = 2,519,407,165.92
  5. Step 5: Solve for x
    x = 2,519,407,165.92/70,556.60
  6. Step 6: Final answer
    x = 35,707.60

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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.