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Finding the Fourth Proportional to 50,661.99, 69,919.20 and 38,064.87

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Solution

The fourth proportional to 50,661.99, 69,919.20 and 38,064.87 is: 52,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,661.99 : 69,919.20 = 38,064.87 : x
  2. Step 2: Convert to fraction form
    50,661.99/69,919.20 = 38,064.87/x
  3. Step 3: Cross multiply
    50,661.99x = 69,919.20 × 38,064.87
  4. Step 4: Simplify right side
    50,661.99x = 2,661,465,258.50
  5. Step 5: Solve for x
    x = 2,661,465,258.50/50,661.99
  6. Step 6: Final answer
    x = 52,533.77

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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.