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Finding the Fourth Proportional to 50,234.64, 69,323.07 and 28,724.16

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Solution

The fourth proportional to 50,234.64, 69,323.07 and 28,724.16 is: 39,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,234.64 : 69,323.07 = 28,724.16 : x
  2. Step 2: Convert to fraction form
    50,234.64/69,323.07 = 28,724.16/x
  3. Step 3: Cross multiply
    50,234.64x = 69,323.07 × 28,724.16
  4. Step 4: Simplify right side
    50,234.64x = 1,991,246,954.37
  5. Step 5: Solve for x
    x = 1,991,246,954.37/50,234.64
  6. Step 6: Final answer
    x = 39,638.92

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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.