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Finding the Fourth Proportional to 69,993.77, 96,599.60 and 39,783.63

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Solution

The fourth proportional to 69,993.77, 96,599.60 and 39,783.63 is: 54,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.77 : 96,599.60 = 39,783.63 : x
  2. Step 2: Convert to fraction form
    69,993.77/96,599.60 = 39,783.63/x
  3. Step 3: Cross multiply
    69,993.77x = 96,599.60 × 39,783.63
  4. Step 4: Simplify right side
    69,993.77x = 3,843,082,062.63
  5. Step 5: Solve for x
    x = 3,843,082,062.63/69,993.77
  6. Step 6: Final answer
    x = 54,906.06

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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.