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Finding the Fourth Proportional to 13,875.01, 19,148.03 and 7,906.52

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Solution

The fourth proportional to 13,875.01, 19,148.03 and 7,906.52 is: 10,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.01 : 19,148.03 = 7,906.52 : x
  2. Step 2: Convert to fraction form
    13,875.01/19,148.03 = 7,906.52/x
  3. Step 3: Cross multiply
    13,875.01x = 19,148.03 × 7,906.52
  4. Step 4: Simplify right side
    13,875.01x = 151,394,320.14
  5. Step 5: Solve for x
    x = 151,394,320.14/13,875.01
  6. Step 6: Final answer
    x = 10,911.30

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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.