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Finding the Fourth Proportional to 29,911.40, 44,868.30 and 11,189.56

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Solution

The fourth proportional to 29,911.40, 44,868.30 and 11,189.56 is: 16,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.40 : 44,868.30 = 11,189.56 : x
  2. Step 2: Convert to fraction form
    29,911.40/44,868.30 = 11,189.56/x
  3. Step 3: Cross multiply
    29,911.40x = 44,868.30 × 11,189.56
  4. Step 4: Simplify right side
    29,911.40x = 502,056,534.95
  5. Step 5: Solve for x
    x = 502,056,534.95/29,911.40
  6. Step 6: Final answer
    x = 16,784.79

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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.