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Finding the Fourth Proportional to 61,551.61, 92,339.84 and 19,438.27

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Solution

The fourth proportional to 61,551.61, 92,339.84 and 19,438.27 is: 29,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551.61 : 92,339.84 = 19,438.27 : x
  2. Step 2: Convert to fraction form
    61,551.61/92,339.84 = 19,438.27/x
  3. Step 3: Cross multiply
    61,551.61x = 92,339.84 × 19,438.27
  4. Step 4: Simplify right side
    61,551.61x = 1,794,926,741.68
  5. Step 5: Solve for x
    x = 1,794,926,741.68/61,551.61
  6. Step 6: Final answer
    x = 29,161.33

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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.