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Finding the Fourth Proportional to 11,925.94, 17,888.91 and 3,717.94

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Solution

The fourth proportional to 11,925.94, 17,888.91 and 3,717.94 is: 5,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.94 : 17,888.91 = 3,717.94 : x
  2. Step 2: Convert to fraction form
    11,925.94/17,888.91 = 3,717.94/x
  3. Step 3: Cross multiply
    11,925.94x = 17,888.91 × 3,717.94
  4. Step 4: Simplify right side
    11,925.94x = 66,509,835.38
  5. Step 5: Solve for x
    x = 66,509,835.38/11,925.94
  6. Step 6: Final answer
    x = 5,576.91

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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.