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Finding the Fourth Proportional to 1,717.15, 2,574.17 and 792.23

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Solution

The fourth proportional to 1,717.15, 2,574.17 and 792.23 is: 1,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.15 : 2,574.17 = 792.23 : x
  2. Step 2: Convert to fraction form
    1,717.15/2,574.17 = 792.23/x
  3. Step 3: Cross multiply
    1,717.15x = 2,574.17 × 792.23
  4. Step 4: Simplify right side
    1,717.15x = 2,039,334.70
  5. Step 5: Solve for x
    x = 2,039,334.70/1,717.15
  6. Step 6: Final answer
    x = 1,187.63

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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.