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Finding the Fourth Proportional to 17,619,608.40, 26,423,191.80 and 6,260,427.60

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Solution

The fourth proportional to 17,619,608.40, 26,423,191.80 and 6,260,427.60 is: 9,388,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619,608.40 : 26,423,191.80 = 6,260,427.60 : x
  2. Step 2: Convert to fraction form
    17,619,608.40/26,423,191.80 = 6,260,427.60/x
  3. Step 3: Cross multiply
    17,619,608.40x = 26,423,191.80 × 6,260,427.60
  4. Step 4: Simplify right side
    17,619,608.40x = 165,420,479,224,813.69
  5. Step 5: Solve for x
    x = 165,420,479,224,813.69/17,619,608.40
  6. Step 6: Final answer
    x = 9,388,431.09

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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.