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Finding the Fourth Proportional to 1,424.72, 1,967.08 and 893.82

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Solution

The fourth proportional to 1,424.72, 1,967.08 and 893.82 is: 1,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.72 : 1,967.08 = 893.82 : x
  2. Step 2: Convert to fraction form
    1,424.72/1,967.08 = 893.82/x
  3. Step 3: Cross multiply
    1,424.72x = 1,967.08 × 893.82
  4. Step 4: Simplify right side
    1,424.72x = 1,758,215.45
  5. Step 5: Solve for x
    x = 1,758,215.45/1,424.72
  6. Step 6: Final answer
    x = 1,234.08

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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.