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Finding the Fourth Proportional to 50,653.64, 69,904.46 and 30,516.84

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Solution

The fourth proportional to 50,653.64, 69,904.46 and 30,516.84 is: 42,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,653.64 : 69,904.46 = 30,516.84 : x
  2. Step 2: Convert to fraction form
    50,653.64/69,904.46 = 30,516.84/x
  3. Step 3: Cross multiply
    50,653.64x = 69,904.46 × 30,516.84
  4. Step 4: Simplify right side
    50,653.64x = 2,133,263,221.11
  5. Step 5: Solve for x
    x = 2,133,263,221.11/50,653.64
  6. Step 6: Final answer
    x = 42,114.71

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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.