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Finding the Fourth Proportional to 22,992,981.60, 34,460,166.60 and 12,215,445.60

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Solution

The fourth proportional to 22,992,981.60, 34,460,166.60 and 12,215,445.60 is: 18,307,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992,981.60 : 34,460,166.60 = 12,215,445.60 : x
  2. Step 2: Convert to fraction form
    22,992,981.60/34,460,166.60 = 12,215,445.60/x
  3. Step 3: Cross multiply
    22,992,981.60x = 34,460,166.60 × 12,215,445.60
  4. Step 4: Simplify right side
    22,992,981.60x = 420,946,290,469,236.94
  5. Step 5: Solve for x
    x = 420,946,290,469,236.94/22,992,981.60
  6. Step 6: Final answer
    x = 18,307,599.15

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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.