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Finding the Fourth Proportional to 2,047.97, 3,071.93 and 587.09

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Solution

The fourth proportional to 2,047.97, 3,071.93 and 587.09 is: 880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.97 : 3,071.93 = 587.09 : x
  2. Step 2: Convert to fraction form
    2,047.97/3,071.93 = 587.09/x
  3. Step 3: Cross multiply
    2,047.97x = 3,071.93 × 587.09
  4. Step 4: Simplify right side
    2,047.97x = 1,803,504.13
  5. Step 5: Solve for x
    x = 1,803,504.13/2,047.97
  6. Step 6: Final answer
    x = 880.63

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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.