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Finding the Fourth Proportional to 33,746, 50,621.52 and 12,969.68

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Solution

The fourth proportional to 33,746, 50,621.52 and 12,969.68 is: 19,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,746 : 50,621.52 = 12,969.68 : x
  2. Step 2: Convert to fraction form
    33,746/50,621.52 = 12,969.68/x
  3. Step 3: Cross multiply
    33,746x = 50,621.52 × 12,969.68
  4. Step 4: Simplify right side
    33,746x = 656,544,915.51
  5. Step 5: Solve for x
    x = 656,544,915.51/33,746
  6. Step 6: Final answer
    x = 19,455.49

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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.