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Finding the Fourth Proportional to 73,571, 101,520.96 and 41,298.23

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Solution

The fourth proportional to 73,571, 101,520.96 and 41,298.23 is: 56,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,571 : 101,520.96 = 41,298.23 : x
  2. Step 2: Convert to fraction form
    73,571/101,520.96 = 41,298.23/x
  3. Step 3: Cross multiply
    73,571x = 101,520.96 × 41,298.23
  4. Step 4: Simplify right side
    73,571x = 4,192,635,955.90
  5. Step 5: Solve for x
    x = 4,192,635,955.90/73,571
  6. Step 6: Final answer
    x = 56,987.62

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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.