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Finding the Fourth Proportional to 1,456.42, 2,009.89 and 793.29

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Solution

The fourth proportional to 1,456.42, 2,009.89 and 793.29 is: 1,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.42 : 2,009.89 = 793.29 : x
  2. Step 2: Convert to fraction form
    1,456.42/2,009.89 = 793.29/x
  3. Step 3: Cross multiply
    1,456.42x = 2,009.89 × 793.29
  4. Step 4: Simplify right side
    1,456.42x = 1,594,425.64
  5. Step 5: Solve for x
    x = 1,594,425.64/1,456.42
  6. Step 6: Final answer
    x = 1,094.76

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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.