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Finding the Fourth Proportional to 1,701.14, 2,551.74 and 713.74

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Solution

The fourth proportional to 1,701.14, 2,551.74 and 713.74 is: 1,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.14 : 2,551.74 = 713.74 : x
  2. Step 2: Convert to fraction form
    1,701.14/2,551.74 = 713.74/x
  3. Step 3: Cross multiply
    1,701.14x = 2,551.74 × 713.74
  4. Step 4: Simplify right side
    1,701.14x = 1,821,278.91
  5. Step 5: Solve for x
    x = 1,821,278.91/1,701.14
  6. Step 6: Final answer
    x = 1,070.62

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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.