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Finding the Fourth Proportional to 1,456.08, 2,009.40 and 792.96

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Solution

The fourth proportional to 1,456.08, 2,009.40 and 792.96 is: 1,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.08 : 2,009.40 = 792.96 : x
  2. Step 2: Convert to fraction form
    1,456.08/2,009.40 = 792.96/x
  3. Step 3: Cross multiply
    1,456.08x = 2,009.40 × 792.96
  4. Step 4: Simplify right side
    1,456.08x = 1,593,373.82
  5. Step 5: Solve for x
    x = 1,593,373.82/1,456.08
  6. Step 6: Final answer
    x = 1,094.29

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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.