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Finding the Fourth Proportional to 77,794.40, 116,675.40 and 33,422.60

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Solution

The fourth proportional to 77,794.40, 116,675.40 and 33,422.60 is: 50,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.40 : 116,675.40 = 33,422.60 : x
  2. Step 2: Convert to fraction form
    77,794.40/116,675.40 = 33,422.60/x
  3. Step 3: Cross multiply
    77,794.40x = 116,675.40 × 33,422.60
  4. Step 4: Simplify right side
    77,794.40x = 3,899,595,224.04
  5. Step 5: Solve for x
    x = 3,899,595,224.04/77,794.40
  6. Step 6: Final answer
    x = 50,126.94

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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.