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Finding the Fourth Proportional to 1,456.72, 2,010.32 and 793.62

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Solution

The fourth proportional to 1,456.72, 2,010.32 and 793.62 is: 1,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.72 : 2,010.32 = 793.62 : x
  2. Step 2: Convert to fraction form
    1,456.72/2,010.32 = 793.62/x
  3. Step 3: Cross multiply
    1,456.72x = 2,010.32 × 793.62
  4. Step 4: Simplify right side
    1,456.72x = 1,595,430.16
  5. Step 5: Solve for x
    x = 1,595,430.16/1,456.72
  6. Step 6: Final answer
    x = 1,095.22

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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.