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Finding the Fourth Proportional to 1,517.37, 2,094.39 and 888.03

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Solution

The fourth proportional to 1,517.37, 2,094.39 and 888.03 is: 1,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.37 : 2,094.39 = 888.03 : x
  2. Step 2: Convert to fraction form
    1,517.37/2,094.39 = 888.03/x
  3. Step 3: Cross multiply
    1,517.37x = 2,094.39 × 888.03
  4. Step 4: Simplify right side
    1,517.37x = 1,859,881.15
  5. Step 5: Solve for x
    x = 1,859,881.15/1,517.37
  6. Step 6: Final answer
    x = 1,225.73

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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.