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Finding the Fourth Proportional to 30,336.64, 41,829.60 and 22,796.80

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Solution

The fourth proportional to 30,336.64, 41,829.60 and 22,796.80 is: 31,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.64 : 41,829.60 = 22,796.80 : x
  2. Step 2: Convert to fraction form
    30,336.64/41,829.60 = 22,796.80/x
  3. Step 3: Cross multiply
    30,336.64x = 41,829.60 × 22,796.80
  4. Step 4: Simplify right side
    30,336.64x = 953,581,025.28
  5. Step 5: Solve for x
    x = 953,581,025.28/30,336.64
  6. Step 6: Final answer
    x = 31,433.31

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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.