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Finding the Fourth Proportional to 1,342.67, 1,852.07 and 844.91

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Solution

The fourth proportional to 1,342.67, 1,852.07 and 844.91 is: 1,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.67 : 1,852.07 = 844.91 : x
  2. Step 2: Convert to fraction form
    1,342.67/1,852.07 = 844.91/x
  3. Step 3: Cross multiply
    1,342.67x = 1,852.07 × 844.91
  4. Step 4: Simplify right side
    1,342.67x = 1,564,818.98
  5. Step 5: Solve for x
    x = 1,564,818.98/1,342.67
  6. Step 6: Final answer
    x = 1,165.46

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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.