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Finding the Fourth Proportional to 66,179.70, 99,258.75 and 18,797.94

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Solution

The fourth proportional to 66,179.70, 99,258.75 and 18,797.94 is: 28,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,179.70 : 99,258.75 = 18,797.94 : x
  2. Step 2: Convert to fraction form
    66,179.70/99,258.75 = 18,797.94/x
  3. Step 3: Cross multiply
    66,179.70x = 99,258.75 × 18,797.94
  4. Step 4: Simplify right side
    66,179.70x = 1,865,860,026.98
  5. Step 5: Solve for x
    x = 1,865,860,026.98/66,179.70
  6. Step 6: Final answer
    x = 28,193.84

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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.