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Finding the Fourth Proportional to 61,880.68, 92,817.78 and 17,501.68

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Solution

The fourth proportional to 61,880.68, 92,817.78 and 17,501.68 is: 26,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.68 : 92,817.78 = 17,501.68 : x
  2. Step 2: Convert to fraction form
    61,880.68/92,817.78 = 17,501.68/x
  3. Step 3: Cross multiply
    61,880.68x = 92,817.78 × 17,501.68
  4. Step 4: Simplify right side
    61,880.68x = 1,624,467,083.87
  5. Step 5: Solve for x
    x = 1,624,467,083.87/61,880.68
  6. Step 6: Final answer
    x = 26,251.60

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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.