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Finding the Fourth Proportional to 17,993,984.40, 26,958,317.40 and 10,398,387.60

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Solution

The fourth proportional to 17,993,984.40, 26,958,317.40 and 10,398,387.60 is: 15,578,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993,984.40 : 26,958,317.40 = 10,398,387.60 : x
  2. Step 2: Convert to fraction form
    17,993,984.40/26,958,317.40 = 10,398,387.60/x
  3. Step 3: Cross multiply
    17,993,984.40x = 26,958,317.40 × 10,398,387.60
  4. Step 4: Simplify right side
    17,993,984.40x = 280,323,033,369,024.22
  5. Step 5: Solve for x
    x = 280,323,033,369,024.22/17,993,984.40
  6. Step 6: Final answer
    x = 15,578,708.26

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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.