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Finding the Fourth Proportional to 1,733.73, 2,392.59 and 987.83

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Solution

The fourth proportional to 1,733.73, 2,392.59 and 987.83 is: 1,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.73 : 2,392.59 = 987.83 : x
  2. Step 2: Convert to fraction form
    1,733.73/2,392.59 = 987.83/x
  3. Step 3: Cross multiply
    1,733.73x = 2,392.59 × 987.83
  4. Step 4: Simplify right side
    1,733.73x = 2,363,460.22
  5. Step 5: Solve for x
    x = 2,363,460.22/1,733.73
  6. Step 6: Final answer
    x = 1,363.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.