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Finding the Fourth Proportional to 1,863.84, 2,796.03 and 565.41

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Solution

The fourth proportional to 1,863.84, 2,796.03 and 565.41 is: 848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.84 : 2,796.03 = 565.41 : x
  2. Step 2: Convert to fraction form
    1,863.84/2,796.03 = 565.41/x
  3. Step 3: Cross multiply
    1,863.84x = 2,796.03 × 565.41
  4. Step 4: Simplify right side
    1,863.84x = 1,580,903.32
  5. Step 5: Solve for x
    x = 1,580,903.32/1,863.84
  6. Step 6: Final answer
    x = 848.20

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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.