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Finding the Fourth Proportional to 8,197,551.60, 12,296,327.40 and 3,936,692.40

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Solution

The fourth proportional to 8,197,551.60, 12,296,327.40 and 3,936,692.40 is: 5,905,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,551.60 : 12,296,327.40 = 3,936,692.40 : x
  2. Step 2: Convert to fraction form
    8,197,551.60/12,296,327.40 = 3,936,692.40/x
  3. Step 3: Cross multiply
    8,197,551.60x = 12,296,327.40 × 3,936,692.40
  4. Step 4: Simplify right side
    8,197,551.60x = 48,406,858,623,491.76
  5. Step 5: Solve for x
    x = 48,406,858,623,491.76/8,197,551.60
  6. Step 6: Final answer
    x = 5,905,038.60

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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.