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Finding the Fourth Proportional to 33,404.60, 50,106.90 and 31,201.40

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Solution

The fourth proportional to 33,404.60, 50,106.90 and 31,201.40 is: 46,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,404.60 : 50,106.90 = 31,201.40 : x
  2. Step 2: Convert to fraction form
    33,404.60/50,106.90 = 31,201.40/x
  3. Step 3: Cross multiply
    33,404.60x = 50,106.90 × 31,201.40
  4. Step 4: Simplify right side
    33,404.60x = 1,563,405,429.66
  5. Step 5: Solve for x
    x = 1,563,405,429.66/33,404.60
  6. Step 6: Final answer
    x = 46,802.10

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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.