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Finding the Fourth Proportional to 7,005.54, 9,667.53 and 3,862.02

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Solution

The fourth proportional to 7,005.54, 9,667.53 and 3,862.02 is: 5,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.54 : 9,667.53 = 3,862.02 : x
  2. Step 2: Convert to fraction form
    7,005.54/9,667.53 = 3,862.02/x
  3. Step 3: Cross multiply
    7,005.54x = 9,667.53 × 3,862.02
  4. Step 4: Simplify right side
    7,005.54x = 37,336,194.21
  5. Step 5: Solve for x
    x = 37,336,194.21/7,005.54
  6. Step 6: Final answer
    x = 5,329.52

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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.