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Finding the Fourth Proportional to 1,843.50, 2,765.25 and 544.94

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Solution

The fourth proportional to 1,843.50, 2,765.25 and 544.94 is: 817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.50 : 2,765.25 = 544.94 : x
  2. Step 2: Convert to fraction form
    1,843.50/2,765.25 = 544.94/x
  3. Step 3: Cross multiply
    1,843.50x = 2,765.25 × 544.94
  4. Step 4: Simplify right side
    1,843.50x = 1,506,881.51
  5. Step 5: Solve for x
    x = 1,506,881.51/1,843.50
  6. Step 6: Final answer
    x = 817.40

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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.