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Finding the Fourth Proportional to 2,794.59, 4,192.74 and 846.99

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Solution

The fourth proportional to 2,794.59, 4,192.74 and 846.99 is: 1,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.59 : 4,192.74 = 846.99 : x
  2. Step 2: Convert to fraction form
    2,794.59/4,192.74 = 846.99/x
  3. Step 3: Cross multiply
    2,794.59x = 4,192.74 × 846.99
  4. Step 4: Simplify right side
    2,794.59x = 3,551,208.85
  5. Step 5: Solve for x
    x = 3,551,208.85/2,794.59
  6. Step 6: Final answer
    x = 1,270.74

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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.