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Finding the Fourth Proportional to 13,060.94, 18,033.48 and 8,031.92

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Solution

The fourth proportional to 13,060.94, 18,033.48 and 8,031.92 is: 11,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.94 : 18,033.48 = 8,031.92 : x
  2. Step 2: Convert to fraction form
    13,060.94/18,033.48 = 8,031.92/x
  3. Step 3: Cross multiply
    13,060.94x = 18,033.48 × 8,031.92
  4. Step 4: Simplify right side
    13,060.94x = 144,843,378.51
  5. Step 5: Solve for x
    x = 144,843,378.51/13,060.94
  6. Step 6: Final answer
    x = 11,089.82

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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.