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Finding the Fourth Proportional to 61,869.62, 92,804.43 and 15,122.42

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Solution

The fourth proportional to 61,869.62, 92,804.43 and 15,122.42 is: 22,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,869.62 : 92,804.43 = 15,122.42 : x
  2. Step 2: Convert to fraction form
    61,869.62/92,804.43 = 15,122.42/x
  3. Step 3: Cross multiply
    61,869.62x = 92,804.43 × 15,122.42
  4. Step 4: Simplify right side
    61,869.62x = 1,403,427,568.32
  5. Step 5: Solve for x
    x = 1,403,427,568.32/61,869.62
  6. Step 6: Final answer
    x = 22,683.63

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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.