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Finding the Fourth Proportional to 29,786,729.80, 44,680,094.70 and 18,449,321.80

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Solution

The fourth proportional to 29,786,729.80, 44,680,094.70 and 18,449,321.80 is: 27,673,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,786,729.80 : 44,680,094.70 = 18,449,321.80 : x
  2. Step 2: Convert to fraction form
    29,786,729.80/44,680,094.70 = 18,449,321.80/x
  3. Step 3: Cross multiply
    29,786,729.80x = 44,680,094.70 × 18,449,321.80
  4. Step 4: Simplify right side
    29,786,729.80x = 824,317,445,174,774.50
  5. Step 5: Solve for x
    x = 824,317,445,174,774.50/29,786,729.80
  6. Step 6: Final answer
    x = 27,673,982.70

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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.