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Finding the Fourth Proportional to 29,445.60, 44,103.60 and 11,906.40

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Solution

The fourth proportional to 29,445.60, 44,103.60 and 11,906.40 is: 17,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.60 : 44,103.60 = 11,906.40 : x
  2. Step 2: Convert to fraction form
    29,445.60/44,103.60 = 11,906.40/x
  3. Step 3: Cross multiply
    29,445.60x = 44,103.60 × 11,906.40
  4. Step 4: Simplify right side
    29,445.60x = 525,115,103.04
  5. Step 5: Solve for x
    x = 525,115,103.04/29,445.60
  6. Step 6: Final answer
    x = 17,833.40

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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.