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Finding the Fourth Proportional to 30,293.94, 41,794.02 and 18,803.46

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Solution

The fourth proportional to 30,293.94, 41,794.02 and 18,803.46 is: 25,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.94 : 41,794.02 = 18,803.46 : x
  2. Step 2: Convert to fraction form
    30,293.94/41,794.02 = 18,803.46/x
  3. Step 3: Cross multiply
    30,293.94x = 41,794.02 × 18,803.46
  4. Step 4: Simplify right side
    30,293.94x = 785,872,183.31
  5. Step 5: Solve for x
    x = 785,872,183.31/30,293.94
  6. Step 6: Final answer
    x = 25,941.56

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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.