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Finding the Fourth Proportional to 24,964,304.40, 37,390,469.40 and 20,485,328.40

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Solution

The fourth proportional to 24,964,304.40, 37,390,469.40 and 20,485,328.40 is: 30,682,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,964,304.40 : 37,390,469.40 = 20,485,328.40 : x
  2. Step 2: Convert to fraction form
    24,964,304.40/37,390,469.40 = 20,485,328.40/x
  3. Step 3: Cross multiply
    24,964,304.40x = 37,390,469.40 × 20,485,328.40
  4. Step 4: Simplify right side
    24,964,304.40x = 765,956,044,689,150.88
  5. Step 5: Solve for x
    x = 765,956,044,689,150.88/24,964,304.40
  6. Step 6: Final answer
    x = 30,682,050.36

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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.