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Finding the Fourth Proportional to 15,692,497.20, 23,538,745.80 and 5,591,473.20

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Solution

The fourth proportional to 15,692,497.20, 23,538,745.80 and 5,591,473.20 is: 8,387,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692,497.20 : 23,538,745.80 = 5,591,473.20 : x
  2. Step 2: Convert to fraction form
    15,692,497.20/23,538,745.80 = 5,591,473.20/x
  3. Step 3: Cross multiply
    15,692,497.20x = 23,538,745.80 × 5,591,473.20
  4. Step 4: Simplify right side
    15,692,497.20x = 131,616,266,302,312.56
  5. Step 5: Solve for x
    x = 131,616,266,302,312.56/15,692,497.20
  6. Step 6: Final answer
    x = 8,387,209.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.