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Finding the Fourth Proportional to 1,844.86, 2,766.86 and 528.58

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Solution

The fourth proportional to 1,844.86, 2,766.86 and 528.58 is: 792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.86 : 2,766.86 = 528.58 : x
  2. Step 2: Convert to fraction form
    1,844.86/2,766.86 = 528.58/x
  3. Step 3: Cross multiply
    1,844.86x = 2,766.86 × 528.58
  4. Step 4: Simplify right side
    1,844.86x = 1,462,506.86
  5. Step 5: Solve for x
    x = 1,462,506.86/1,844.86
  6. Step 6: Final answer
    x = 792.75

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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.