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Finding the Fourth Proportional to 1,696.58, 2,533.41 and 1,486.79

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Solution

The fourth proportional to 1,696.58, 2,533.41 and 1,486.79 is: 2,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.58 : 2,533.41 = 1,486.79 : x
  2. Step 2: Convert to fraction form
    1,696.58/2,533.41 = 1,486.79/x
  3. Step 3: Cross multiply
    1,696.58x = 2,533.41 × 1,486.79
  4. Step 4: Simplify right side
    1,696.58x = 3,766,645.49
  5. Step 5: Solve for x
    x = 3,766,645.49/1,696.58
  6. Step 6: Final answer
    x = 2,220.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.