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Finding the Fourth Proportional to 33,114.60, 49,671.90 and 19,117.80

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Solution

The fourth proportional to 33,114.60, 49,671.90 and 19,117.80 is: 28,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,114.60 : 49,671.90 = 19,117.80 : x
  2. Step 2: Convert to fraction form
    33,114.60/49,671.90 = 19,117.80/x
  3. Step 3: Cross multiply
    33,114.60x = 49,671.90 × 19,117.80
  4. Step 4: Simplify right side
    33,114.60x = 949,617,449.82
  5. Step 5: Solve for x
    x = 949,617,449.82/33,114.60
  6. Step 6: Final answer
    x = 28,676.70

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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.