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Finding the Fourth Proportional to 30,850.60, 46,292.70 and 16,809.80

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Solution

The fourth proportional to 30,850.60, 46,292.70 and 16,809.80 is: 25,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.60 : 46,292.70 = 16,809.80 : x
  2. Step 2: Convert to fraction form
    30,850.60/46,292.70 = 16,809.80/x
  3. Step 3: Cross multiply
    30,850.60x = 46,292.70 × 16,809.80
  4. Step 4: Simplify right side
    30,850.60x = 778,171,028.46
  5. Step 5: Solve for x
    x = 778,171,028.46/30,850.60
  6. Step 6: Final answer
    x = 25,223.85

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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.