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Finding the Fourth Proportional to 61,940.84, 92,914.78 and 17,564.08

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Solution

The fourth proportional to 61,940.84, 92,914.78 and 17,564.08 is: 26,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.84 : 92,914.78 = 17,564.08 : x
  2. Step 2: Convert to fraction form
    61,940.84/92,914.78 = 17,564.08/x
  3. Step 3: Cross multiply
    61,940.84x = 92,914.78 × 17,564.08
  4. Step 4: Simplify right side
    61,940.84x = 1,631,962,629.10
  5. Step 5: Solve for x
    x = 1,631,962,629.10/61,940.84
  6. Step 6: Final answer
    x = 26,347.12

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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.