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Finding the Fourth Proportional to 61,511.64, 92,151.81 and 35,136.42

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Solution

The fourth proportional to 61,511.64, 92,151.81 and 35,136.42 is: 52,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511.64 : 92,151.81 = 35,136.42 : x
  2. Step 2: Convert to fraction form
    61,511.64/92,151.81 = 35,136.42/x
  3. Step 3: Cross multiply
    61,511.64x = 92,151.81 × 35,136.42
  4. Step 4: Simplify right side
    61,511.64x = 3,237,884,699.92
  5. Step 5: Solve for x
    x = 3,237,884,699.92/61,511.64
  6. Step 6: Final answer
    x = 52,638.57

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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.