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Finding the Fourth Proportional to 29,403.60, 44,105.40 and 11,864.40

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Solution

The fourth proportional to 29,403.60, 44,105.40 and 11,864.40 is: 17,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.60 : 44,105.40 = 11,864.40 : x
  2. Step 2: Convert to fraction form
    29,403.60/44,105.40 = 11,864.40/x
  3. Step 3: Cross multiply
    29,403.60x = 44,105.40 × 11,864.40
  4. Step 4: Simplify right side
    29,403.60x = 523,284,107.76
  5. Step 5: Solve for x
    x = 523,284,107.76/29,403.60
  6. Step 6: Final answer
    x = 17,796.60

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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.