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Finding the Fourth Proportional to 44,596.80, 66,830.40 and 30,729.60

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Solution

The fourth proportional to 44,596.80, 66,830.40 and 30,729.60 is: 46,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,596.80 : 66,830.40 = 30,729.60 : x
  2. Step 2: Convert to fraction form
    44,596.80/66,830.40 = 30,729.60/x
  3. Step 3: Cross multiply
    44,596.80x = 66,830.40 × 30,729.60
  4. Step 4: Simplify right side
    44,596.80x = 2,053,671,459.84
  5. Step 5: Solve for x
    x = 2,053,671,459.84/44,596.80
  6. Step 6: Final answer
    x = 46,049.75

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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.