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Finding the Fourth Proportional to 29,766,729.40, 44,650,094.10 and 21,200,687.80

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Solution

The fourth proportional to 29,766,729.40, 44,650,094.10 and 21,200,687.80 is: 31,801,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,766,729.40 : 44,650,094.10 = 21,200,687.80 : x
  2. Step 2: Convert to fraction form
    29,766,729.40/44,650,094.10 = 21,200,687.80/x
  3. Step 3: Cross multiply
    29,766,729.40x = 44,650,094.10 × 21,200,687.80
  4. Step 4: Simplify right side
    29,766,729.40x = 946,612,705,254,722
  5. Step 5: Solve for x
    x = 946,612,705,254,722/29,766,729.40
  6. Step 6: Final answer
    x = 31,801,031.70

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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.