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Finding the Fourth Proportional to 33,200.90, 49,801.35 and 28,880.90

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Solution

The fourth proportional to 33,200.90, 49,801.35 and 28,880.90 is: 43,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,200.90 : 49,801.35 = 28,880.90 : x
  2. Step 2: Convert to fraction form
    33,200.90/49,801.35 = 28,880.90/x
  3. Step 3: Cross multiply
    33,200.90x = 49,801.35 × 28,880.90
  4. Step 4: Simplify right side
    33,200.90x = 1,438,307,809.22
  5. Step 5: Solve for x
    x = 1,438,307,809.22/33,200.90
  6. Step 6: Final answer
    x = 43,321.35

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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.