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Finding the Fourth Proportional to 60,132.92, 90,173.99 and 18,018.99

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Solution

The fourth proportional to 60,132.92, 90,173.99 and 18,018.99 is: 27,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,132.92 : 90,173.99 = 18,018.99 : x
  2. Step 2: Convert to fraction form
    60,132.92/90,173.99 = 18,018.99/x
  3. Step 3: Cross multiply
    60,132.92x = 90,173.99 × 18,018.99
  4. Step 4: Simplify right side
    60,132.92x = 1,624,844,133.98
  5. Step 5: Solve for x
    x = 1,624,844,133.98/60,132.92
  6. Step 6: Final answer
    x = 27,020.88

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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.