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Finding the Fourth Proportional to 50,143.69, 69,052.46 and 46,938.32

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Solution

The fourth proportional to 50,143.69, 69,052.46 and 46,938.32 is: 64,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143.69 : 69,052.46 = 46,938.32 : x
  2. Step 2: Convert to fraction form
    50,143.69/69,052.46 = 46,938.32/x
  3. Step 3: Cross multiply
    50,143.69x = 69,052.46 × 46,938.32
  4. Step 4: Simplify right side
    50,143.69x = 3,241,206,236.35
  5. Step 5: Solve for x
    x = 3,241,206,236.35/50,143.69
  6. Step 6: Final answer
    x = 64,638.37

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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.