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Finding the Fourth Proportional to 1,701.90, 2,350.23 and 1,609.86

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Solution

The fourth proportional to 1,701.90, 2,350.23 and 1,609.86 is: 2,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.90 : 2,350.23 = 1,609.86 : x
  2. Step 2: Convert to fraction form
    1,701.90/2,350.23 = 1,609.86/x
  3. Step 3: Cross multiply
    1,701.90x = 2,350.23 × 1,609.86
  4. Step 4: Simplify right side
    1,701.90x = 3,783,541.27
  5. Step 5: Solve for x
    x = 3,783,541.27/1,701.90
  6. Step 6: Final answer
    x = 2,223.13

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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.