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Finding the Fourth Proportional to 77,348.25, 116,022.38 and 21,944.25

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Solution

The fourth proportional to 77,348.25, 116,022.38 and 21,944.25 is: 32,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,348.25 : 116,022.38 = 21,944.25 : x
  2. Step 2: Convert to fraction form
    77,348.25/116,022.38 = 21,944.25/x
  3. Step 3: Cross multiply
    77,348.25x = 116,022.38 × 21,944.25
  4. Step 4: Simplify right side
    77,348.25x = 2,546,024,002.59
  5. Step 5: Solve for x
    x = 2,546,024,002.59/77,348.25
  6. Step 6: Final answer
    x = 32,916.38

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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.