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Finding the Fourth Proportional to 2,047.91, 3,071.88 and 587.07

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Solution

The fourth proportional to 2,047.91, 3,071.88 and 587.07 is: 880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.91 : 3,071.88 = 587.07 : x
  2. Step 2: Convert to fraction form
    2,047.91/3,071.88 = 587.07/x
  3. Step 3: Cross multiply
    2,047.91x = 3,071.88 × 587.07
  4. Step 4: Simplify right side
    2,047.91x = 1,803,408.59
  5. Step 5: Solve for x
    x = 1,803,408.59/2,047.91
  6. Step 6: Final answer
    x = 880.61

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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.