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Finding the Fourth Proportional to 50,482.56, 69,668.28 and 29,268.48

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Solution

The fourth proportional to 50,482.56, 69,668.28 and 29,268.48 is: 40,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,482.56 : 69,668.28 = 29,268.48 : x
  2. Step 2: Convert to fraction form
    50,482.56/69,668.28 = 29,268.48/x
  3. Step 3: Cross multiply
    50,482.56x = 69,668.28 × 29,268.48
  4. Step 4: Simplify right side
    50,482.56x = 2,039,084,659.81
  5. Step 5: Solve for x
    x = 2,039,084,659.81/50,482.56
  6. Step 6: Final answer
    x = 40,391.86

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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.