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Finding the Fourth Proportional to 33,829.60, 46,684.90 and 18,722.90

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Solution

The fourth proportional to 33,829.60, 46,684.90 and 18,722.90 is: 25,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,829.60 : 46,684.90 = 18,722.90 : x
  2. Step 2: Convert to fraction form
    33,829.60/46,684.90 = 18,722.90/x
  3. Step 3: Cross multiply
    33,829.60x = 46,684.90 × 18,722.90
  4. Step 4: Simplify right side
    33,829.60x = 874,076,714.21
  5. Step 5: Solve for x
    x = 874,076,714.21/33,829.60
  6. Step 6: Final answer
    x = 25,837.63

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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.