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Finding the Fourth Proportional to 29,380.40, 44,095.80 and 11,862.80

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Solution

The fourth proportional to 29,380.40, 44,095.80 and 11,862.80 is: 17,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.40 : 44,095.80 = 11,862.80 : x
  2. Step 2: Convert to fraction form
    29,380.40/44,095.80 = 11,862.80/x
  3. Step 3: Cross multiply
    29,380.40x = 44,095.80 × 11,862.80
  4. Step 4: Simplify right side
    29,380.40x = 523,099,656.24
  5. Step 5: Solve for x
    x = 523,099,656.24/29,380.40
  6. Step 6: Final answer
    x = 17,804.37

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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.