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Finding the Fourth Proportional to 32,880.88, 49,321.36 and 8,256.88

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Solution

The fourth proportional to 32,880.88, 49,321.36 and 8,256.88 is: 12,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.88 : 49,321.36 = 8,256.88 : x
  2. Step 2: Convert to fraction form
    32,880.88/49,321.36 = 8,256.88/x
  3. Step 3: Cross multiply
    32,880.88x = 49,321.36 × 8,256.88
  4. Step 4: Simplify right side
    32,880.88x = 407,240,550.96
  5. Step 5: Solve for x
    x = 407,240,550.96/32,880.88
  6. Step 6: Final answer
    x = 12,385.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.