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Finding the Fourth Proportional to 1,867.44, 2,800.72 and 568.60

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Solution

The fourth proportional to 1,867.44, 2,800.72 and 568.60 is: 852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.44 : 2,800.72 = 568.60 : x
  2. Step 2: Convert to fraction form
    1,867.44/2,800.72 = 568.60/x
  3. Step 3: Cross multiply
    1,867.44x = 2,800.72 × 568.60
  4. Step 4: Simplify right side
    1,867.44x = 1,592,489.39
  5. Step 5: Solve for x
    x = 1,592,489.39/1,867.44
  6. Step 6: Final answer
    x = 852.77

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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.