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Finding the Fourth Proportional to 24,965,374.40, 37,448,061.60 and 20,430,411.20

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Solution

The fourth proportional to 24,965,374.40, 37,448,061.60 and 20,430,411.20 is: 30,645,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,965,374.40 : 37,448,061.60 = 20,430,411.20 : x
  2. Step 2: Convert to fraction form
    24,965,374.40/37,448,061.60 = 20,430,411.20/x
  3. Step 3: Cross multiply
    24,965,374.40x = 37,448,061.60 × 20,430,411.20
  4. Step 4: Simplify right side
    24,965,374.40x = 765,079,297,130,929.88
  5. Step 5: Solve for x
    x = 765,079,297,130,929.88/24,965,374.40
  6. Step 6: Final answer
    x = 30,645,616.80

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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.