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Finding the Fourth Proportional to 6,503,805.36, 8,974,897.92 and 3,603,023.22

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Solution

The fourth proportional to 6,503,805.36, 8,974,897.92 and 3,603,023.22 is: 4,971,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,805.36 : 8,974,897.92 = 3,603,023.22 : x
  2. Step 2: Convert to fraction form
    6,503,805.36/8,974,897.92 = 3,603,023.22/x
  3. Step 3: Cross multiply
    6,503,805.36x = 8,974,897.92 × 3,603,023.22
  4. Step 4: Simplify right side
    6,503,805.36x = 32,336,765,602,889.70
  5. Step 5: Solve for x
    x = 32,336,765,602,889.70/6,503,805.36
  6. Step 6: Final answer
    x = 4,971,976.22

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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.