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Finding the Fourth Proportional to 8,698,676.67, 13,043,014.88 and 3,584,636.78

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Solution

The fourth proportional to 8,698,676.67, 13,043,014.88 and 3,584,636.78 is: 5,374,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,676.67 : 13,043,014.88 = 3,584,636.78 : x
  2. Step 2: Convert to fraction form
    8,698,676.67/13,043,014.88 = 3,584,636.78/x
  3. Step 3: Cross multiply
    8,698,676.67x = 13,043,014.88 × 3,584,636.78
  4. Step 4: Simplify right side
    8,698,676.67x = 46,754,470,777,797.02
  5. Step 5: Solve for x
    x = 46,754,470,777,797.02/8,698,676.67
  6. Step 6: Final answer
    x = 5,374,894.66

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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.