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Finding the Fourth Proportional to 30,994.40, 46,491.60 and 29,784.80

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Solution

The fourth proportional to 30,994.40, 46,491.60 and 29,784.80 is: 44,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.40 : 46,491.60 = 29,784.80 : x
  2. Step 2: Convert to fraction form
    30,994.40/46,491.60 = 29,784.80/x
  3. Step 3: Cross multiply
    30,994.40x = 46,491.60 × 29,784.80
  4. Step 4: Simplify right side
    30,994.40x = 1,384,743,007.68
  5. Step 5: Solve for x
    x = 1,384,743,007.68/30,994.40
  6. Step 6: Final answer
    x = 44,677.20

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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.