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Finding the Fourth Proportional to 29,419.45, 44,104.30 and 12,766.88

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Solution

The fourth proportional to 29,419.45, 44,104.30 and 12,766.88 is: 19,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.45 : 44,104.30 = 12,766.88 : x
  2. Step 2: Convert to fraction form
    29,419.45/44,104.30 = 12,766.88/x
  3. Step 3: Cross multiply
    29,419.45x = 44,104.30 × 12,766.88
  4. Step 4: Simplify right side
    29,419.45x = 563,074,383.93
  5. Step 5: Solve for x
    x = 563,074,383.93/29,419.45
  6. Step 6: Final answer
    x = 19,139.53

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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.