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Finding the Fourth Proportional to 30,843.90, 46,265.72 and 7,470.41

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Solution

The fourth proportional to 30,843.90, 46,265.72 and 7,470.41 is: 11,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.90 : 46,265.72 = 7,470.41 : x
  2. Step 2: Convert to fraction form
    30,843.90/46,265.72 = 7,470.41/x
  3. Step 3: Cross multiply
    30,843.90x = 46,265.72 × 7,470.41
  4. Step 4: Simplify right side
    30,843.90x = 345,623,628.66
  5. Step 5: Solve for x
    x = 345,623,628.66/30,843.90
  6. Step 6: Final answer
    x = 11,205.57

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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.