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Finding the Fourth Proportional to 70,060.56, 105,053.73 and 30,571.56

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Solution

The fourth proportional to 70,060.56, 105,053.73 and 30,571.56 is: 45,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060.56 : 105,053.73 = 30,571.56 : x
  2. Step 2: Convert to fraction form
    70,060.56/105,053.73 = 30,571.56/x
  3. Step 3: Cross multiply
    70,060.56x = 105,053.73 × 30,571.56
  4. Step 4: Simplify right side
    70,060.56x = 3,211,656,409.92
  5. Step 5: Solve for x
    x = 3,211,656,409.92/70,060.56
  6. Step 6: Final answer
    x = 45,841.15

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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.