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Finding the Fourth Proportional to 2,792.99, 4,189.46 and 944.11

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Solution

The fourth proportional to 2,792.99, 4,189.46 and 944.11 is: 1,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.99 : 4,189.46 = 944.11 : x
  2. Step 2: Convert to fraction form
    2,792.99/4,189.46 = 944.11/x
  3. Step 3: Cross multiply
    2,792.99x = 4,189.46 × 944.11
  4. Step 4: Simplify right side
    2,792.99x = 3,955,285.41
  5. Step 5: Solve for x
    x = 3,955,285.41/2,792.99
  6. Step 6: Final answer
    x = 1,416.15

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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.