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Finding the Fourth Proportional to 1,848.97, 2,773.48 and 616.39

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Solution

The fourth proportional to 1,848.97, 2,773.48 and 616.39 is: 924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.97 : 2,773.48 = 616.39 : x
  2. Step 2: Convert to fraction form
    1,848.97/2,773.48 = 616.39/x
  3. Step 3: Cross multiply
    1,848.97x = 2,773.48 × 616.39
  4. Step 4: Simplify right side
    1,848.97x = 1,709,545.34
  5. Step 5: Solve for x
    x = 1,709,545.34/1,848.97
  6. Step 6: Final answer
    x = 924.59

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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.