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Finding the Fourth Proportional to 1,675.84, 2,512.02 and 1,090.12

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Solution

The fourth proportional to 1,675.84, 2,512.02 and 1,090.12 is: 1,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.84 : 2,512.02 = 1,090.12 : x
  2. Step 2: Convert to fraction form
    1,675.84/2,512.02 = 1,090.12/x
  3. Step 3: Cross multiply
    1,675.84x = 2,512.02 × 1,090.12
  4. Step 4: Simplify right side
    1,675.84x = 2,738,403.24
  5. Step 5: Solve for x
    x = 2,738,403.24/1,675.84
  6. Step 6: Final answer
    x = 1,634.05

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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.