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Finding the Fourth Proportional to 13,007.73, 17,950.54 and 7,039.27

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Solution

The fourth proportional to 13,007.73, 17,950.54 and 7,039.27 is: 9,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.73 : 17,950.54 = 7,039.27 : x
  2. Step 2: Convert to fraction form
    13,007.73/17,950.54 = 7,039.27/x
  3. Step 3: Cross multiply
    13,007.73x = 17,950.54 × 7,039.27
  4. Step 4: Simplify right side
    13,007.73x = 126,358,697.71
  5. Step 5: Solve for x
    x = 126,358,697.71/13,007.73
  6. Step 6: Final answer
    x = 9,714.12

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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.