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Finding the Fourth Proportional to 61,293.80, 91,940.70 and 23,855.60

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Solution

The fourth proportional to 61,293.80, 91,940.70 and 23,855.60 is: 35,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,293.80 : 91,940.70 = 23,855.60 : x
  2. Step 2: Convert to fraction form
    61,293.80/91,940.70 = 23,855.60/x
  3. Step 3: Cross multiply
    61,293.80x = 91,940.70 × 23,855.60
  4. Step 4: Simplify right side
    61,293.80x = 2,193,300,562.92
  5. Step 5: Solve for x
    x = 2,193,300,562.92/61,293.80
  6. Step 6: Final answer
    x = 35,783.40

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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.