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Finding the Fourth Proportional to 34,888.37, 48,143.97 and 18,972.81

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Solution

The fourth proportional to 34,888.37, 48,143.97 and 18,972.81 is: 26,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,888.37 : 48,143.97 = 18,972.81 : x
  2. Step 2: Convert to fraction form
    34,888.37/48,143.97 = 18,972.81/x
  3. Step 3: Cross multiply
    34,888.37x = 48,143.97 × 18,972.81
  4. Step 4: Simplify right side
    34,888.37x = 913,426,395.46
  5. Step 5: Solve for x
    x = 913,426,395.46/34,888.37
  6. Step 6: Final answer
    x = 26,181.40

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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.