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Finding the Fourth Proportional to 16,603,967.20, 24,905,950.80 and 10,930,597.60

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Solution

The fourth proportional to 16,603,967.20, 24,905,950.80 and 10,930,597.60 is: 16,395,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603,967.20 : 24,905,950.80 = 10,930,597.60 : x
  2. Step 2: Convert to fraction form
    16,603,967.20/24,905,950.80 = 10,930,597.60/x
  3. Step 3: Cross multiply
    16,603,967.20x = 24,905,950.80 × 10,930,597.60
  4. Step 4: Simplify right side
    16,603,967.20x = 272,236,926,040,198.09
  5. Step 5: Solve for x
    x = 272,236,926,040,198.09/16,603,967.20
  6. Step 6: Final answer
    x = 16,395,896.40

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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.