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Finding the Fourth Proportional to 13,789.16, 19,029.12 and 7,501.52

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Solution

The fourth proportional to 13,789.16, 19,029.12 and 7,501.52 is: 10,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.16 : 19,029.12 = 7,501.52 : x
  2. Step 2: Convert to fraction form
    13,789.16/19,029.12 = 7,501.52/x
  3. Step 3: Cross multiply
    13,789.16x = 19,029.12 × 7,501.52
  4. Step 4: Simplify right side
    13,789.16x = 142,747,324.26
  5. Step 5: Solve for x
    x = 142,747,324.26/13,789.16
  6. Step 6: Final answer
    x = 10,352.14

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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.