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Finding the Fourth Proportional to 1,701.35, 2,347.96 and 955.56

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Solution

The fourth proportional to 1,701.35, 2,347.96 and 955.56 is: 1,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.35 : 2,347.96 = 955.56 : x
  2. Step 2: Convert to fraction form
    1,701.35/2,347.96 = 955.56/x
  3. Step 3: Cross multiply
    1,701.35x = 2,347.96 × 955.56
  4. Step 4: Simplify right side
    1,701.35x = 2,243,614.27
  5. Step 5: Solve for x
    x = 2,243,614.27/1,701.35
  6. Step 6: Final answer
    x = 1,318.73

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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.