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Finding the Fourth Proportional to 11,888.91, 17,832.02 and 3,124.51

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Solution

The fourth proportional to 11,888.91, 17,832.02 and 3,124.51 is: 4,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.91 : 17,832.02 = 3,124.51 : x
  2. Step 2: Convert to fraction form
    11,888.91/17,832.02 = 3,124.51/x
  3. Step 3: Cross multiply
    11,888.91x = 17,832.02 × 3,124.51
  4. Step 4: Simplify right side
    11,888.91x = 55,716,264.61
  5. Step 5: Solve for x
    x = 55,716,264.61/11,888.91
  6. Step 6: Final answer
    x = 4,686.41

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