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Finding the Fourth Proportional to 50,793.40, 70,020.30 and 35,640.28

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Solution

The fourth proportional to 50,793.40, 70,020.30 and 35,640.28 is: 49,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,793.40 : 70,020.30 = 35,640.28 : x
  2. Step 2: Convert to fraction form
    50,793.40/70,020.30 = 35,640.28/x
  3. Step 3: Cross multiply
    50,793.40x = 70,020.30 × 35,640.28
  4. Step 4: Simplify right side
    50,793.40x = 2,495,543,097.68
  5. Step 5: Solve for x
    x = 2,495,543,097.68/50,793.40
  6. Step 6: Final answer
    x = 49,131.25

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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.