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Finding the Fourth Proportional to 1,711.63, 2,362.05 and 1,013

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Solution

The fourth proportional to 1,711.63, 2,362.05 and 1,013 is: 1,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.63 : 2,362.05 = 1,013 : x
  2. Step 2: Convert to fraction form
    1,711.63/2,362.05 = 1,013/x
  3. Step 3: Cross multiply
    1,711.63x = 2,362.05 × 1,013
  4. Step 4: Simplify right side
    1,711.63x = 2,392,751.59
  5. Step 5: Solve for x
    x = 2,392,751.59/1,711.63
  6. Step 6: Final answer
    x = 1,397.94

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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.