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Finding the Fourth Proportional to 1,848.97, 2,773.77 and 616.69

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Solution

The fourth proportional to 1,848.97, 2,773.77 and 616.69 is: 925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.97 : 2,773.77 = 616.69 : x
  2. Step 2: Convert to fraction form
    1,848.97/2,773.77 = 616.69/x
  3. Step 3: Cross multiply
    1,848.97x = 2,773.77 × 616.69
  4. Step 4: Simplify right side
    1,848.97x = 1,710,556.22
  5. Step 5: Solve for x
    x = 1,710,556.22/1,848.97
  6. Step 6: Final answer
    x = 925.14

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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.