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Finding the Fourth Proportional to 1,341.82, 1,852.43 and 837.83

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Solution

The fourth proportional to 1,341.82, 1,852.43 and 837.83 is: 1,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.82 : 1,852.43 = 837.83 : x
  2. Step 2: Convert to fraction form
    1,341.82/1,852.43 = 837.83/x
  3. Step 3: Cross multiply
    1,341.82x = 1,852.43 × 837.83
  4. Step 4: Simplify right side
    1,341.82x = 1,552,021.43
  5. Step 5: Solve for x
    x = 1,552,021.43/1,341.82
  6. Step 6: Final answer
    x = 1,156.65

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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.