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Finding the Fourth Proportional to 27,311.93, 40,968.03 and 9,542.51

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Solution

The fourth proportional to 27,311.93, 40,968.03 and 9,542.51 is: 14,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.93 : 40,968.03 = 9,542.51 : x
  2. Step 2: Convert to fraction form
    27,311.93/40,968.03 = 9,542.51/x
  3. Step 3: Cross multiply
    27,311.93x = 40,968.03 × 9,542.51
  4. Step 4: Simplify right side
    27,311.93x = 390,937,835.96
  5. Step 5: Solve for x
    x = 390,937,835.96/27,311.93
  6. Step 6: Final answer
    x = 14,313.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.