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Finding the Fourth Proportional to 1,517.47, 2,094.40 and 854.33

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Solution

The fourth proportional to 1,517.47, 2,094.40 and 854.33 is: 1,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.47 : 2,094.40 = 854.33 : x
  2. Step 2: Convert to fraction form
    1,517.47/2,094.40 = 854.33/x
  3. Step 3: Cross multiply
    1,517.47x = 2,094.40 × 854.33
  4. Step 4: Simplify right side
    1,517.47x = 1,789,299.35
  5. Step 5: Solve for x
    x = 1,789,299.35/1,517.47
  6. Step 6: Final answer
    x = 1,179.13

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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.