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Finding the Fourth Proportional to 6,603,647.07, 9,114,339.88 and 4,283,415.03

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Solution

The fourth proportional to 6,603,647.07, 9,114,339.88 and 4,283,415.03 is: 5,911,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,647.07 : 9,114,339.88 = 4,283,415.03 : x
  2. Step 2: Convert to fraction form
    6,603,647.07/9,114,339.88 = 4,283,415.03/x
  3. Step 3: Cross multiply
    6,603,647.07x = 9,114,339.88 × 4,283,415.03
  4. Step 4: Simplify right side
    6,603,647.07x = 39,040,500,470,053.45
  5. Step 5: Solve for x
    x = 39,040,500,470,053.45/6,603,647.07
  6. Step 6: Final answer
    x = 5,911,960.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.