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Finding the Fourth Proportional to 7,109.42, 9,802.77 and 5,845.82

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Solution

The fourth proportional to 7,109.42, 9,802.77 and 5,845.82 is: 8,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.42 : 9,802.77 = 5,845.82 : x
  2. Step 2: Convert to fraction form
    7,109.42/9,802.77 = 5,845.82/x
  3. Step 3: Cross multiply
    7,109.42x = 9,802.77 × 5,845.82
  4. Step 4: Simplify right side
    7,109.42x = 57,305,228.92
  5. Step 5: Solve for x
    x = 57,305,228.92/7,109.42
  6. Step 6: Final answer
    x = 8,060.46

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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.