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Finding the Fourth Proportional to 61,314.67, 91,971.07 and 16,940.44

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Solution

The fourth proportional to 61,314.67, 91,971.07 and 16,940.44 is: 25,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,314.67 : 91,971.07 = 16,940.44 : x
  2. Step 2: Convert to fraction form
    61,314.67/91,971.07 = 16,940.44/x
  3. Step 3: Cross multiply
    61,314.67x = 91,971.07 × 16,940.44
  4. Step 4: Simplify right side
    61,314.67x = 1,558,030,393.07
  5. Step 5: Solve for x
    x = 1,558,030,393.07/61,314.67
  6. Step 6: Final answer
    x = 25,410.40

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1.5x scale

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.