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Finding the Fourth Proportional to 58,696.85, 80,911.78 and 35,993.75

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Solution

The fourth proportional to 58,696.85, 80,911.78 and 35,993.75 is: 49,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.85 : 80,911.78 = 35,993.75 : x
  2. Step 2: Convert to fraction form
    58,696.85/80,911.78 = 35,993.75/x
  3. Step 3: Cross multiply
    58,696.85x = 80,911.78 × 35,993.75
  4. Step 4: Simplify right side
    58,696.85x = 2,912,317,988.06
  5. Step 5: Solve for x
    x = 2,912,317,988.06/58,696.85
  6. Step 6: Final answer
    x = 49,616.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.