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Finding the Fourth Proportional to 70,571.33, 97,384.86 and 41,892.21

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Solution

The fourth proportional to 70,571.33, 97,384.86 and 41,892.21 is: 57,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,571.33 : 97,384.86 = 41,892.21 : x
  2. Step 2: Convert to fraction form
    70,571.33/97,384.86 = 41,892.21/x
  3. Step 3: Cross multiply
    70,571.33x = 97,384.86 × 41,892.21
  4. Step 4: Simplify right side
    70,571.33x = 4,079,667,039.94
  5. Step 5: Solve for x
    x = 4,079,667,039.94/70,571.33
  6. Step 6: Final answer
    x = 57,809.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.