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Finding the Fourth Proportional to 7,053.48, 9,778.37 and 6,678.97

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Solution

The fourth proportional to 7,053.48, 9,778.37 and 6,678.97 is: 9,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.48 : 9,778.37 = 6,678.97 : x
  2. Step 2: Convert to fraction form
    7,053.48/9,778.37 = 6,678.97/x
  3. Step 3: Cross multiply
    7,053.48x = 9,778.37 × 6,678.97
  4. Step 4: Simplify right side
    7,053.48x = 65,309,423.18
  5. Step 5: Solve for x
    x = 65,309,423.18/7,053.48
  6. Step 6: Final answer
    x = 9,259.17

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.