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Finding the Fourth Proportional to 29,531,293.80, 44,296,940.70 and 17,388,292.20

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Solution

The fourth proportional to 29,531,293.80, 44,296,940.70 and 17,388,292.20 is: 26,082,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531,293.80 : 44,296,940.70 = 17,388,292.20 : x
  2. Step 2: Convert to fraction form
    29,531,293.80/44,296,940.70 = 17,388,292.20/x
  3. Step 3: Cross multiply
    29,531,293.80x = 44,296,940.70 × 17,388,292.20
  4. Step 4: Simplify right side
    29,531,293.80x = 770,248,148,457,672.50
  5. Step 5: Solve for x
    x = 770,248,148,457,672.50/29,531,293.80
  6. Step 6: Final answer
    x = 26,082,438.30

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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.