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Finding the Fourth Proportional to 33,380, 46,064.45 and 20,804.75

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Solution

The fourth proportional to 33,380, 46,064.45 and 20,804.75 is: 28,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380 : 46,064.45 = 20,804.75 : x
  2. Step 2: Convert to fraction form
    33,380/46,064.45 = 20,804.75/x
  3. Step 3: Cross multiply
    33,380x = 46,064.45 × 20,804.75
  4. Step 4: Simplify right side
    33,380x = 958,359,366.14
  5. Step 5: Solve for x
    x = 958,359,366.14/33,380
  6. Step 6: Final answer
    x = 28,710.59

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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.