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Finding the Fourth Proportional to 74,554.80, 111,799.80 and 24,615.60

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Solution

The fourth proportional to 74,554.80, 111,799.80 and 24,615.60 is: 36,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.80 : 111,799.80 = 24,615.60 : x
  2. Step 2: Convert to fraction form
    74,554.80/111,799.80 = 24,615.60/x
  3. Step 3: Cross multiply
    74,554.80x = 111,799.80 × 24,615.60
  4. Step 4: Simplify right side
    74,554.80x = 2,752,019,156.88
  5. Step 5: Solve for x
    x = 2,752,019,156.88/74,554.80
  6. Step 6: Final answer
    x = 36,912.70

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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.