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Finding the Fourth Proportional to 1,670.52, 2,290.95 and 1,600.44

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Solution

The fourth proportional to 1,670.52, 2,290.95 and 1,600.44 is: 2,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.52 : 2,290.95 = 1,600.44 : x
  2. Step 2: Convert to fraction form
    1,670.52/2,290.95 = 1,600.44/x
  3. Step 3: Cross multiply
    1,670.52x = 2,290.95 × 1,600.44
  4. Step 4: Simplify right side
    1,670.52x = 3,666,528.02
  5. Step 5: Solve for x
    x = 3,666,528.02/1,670.52
  6. Step 6: Final answer
    x = 2,194.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.