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Finding the Fourth Proportional to 27,996,690.40, 41,995,035.60 and 23,213,721.40

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Solution

The fourth proportional to 27,996,690.40, 41,995,035.60 and 23,213,721.40 is: 34,820,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996,690.40 : 41,995,035.60 = 23,213,721.40 : x
  2. Step 2: Convert to fraction form
    27,996,690.40/41,995,035.60 = 23,213,721.40/x
  3. Step 3: Cross multiply
    27,996,690.40x = 41,995,035.60 × 23,213,721.40
  4. Step 4: Simplify right side
    27,996,690.40x = 974,861,056,601,481.75
  5. Step 5: Solve for x
    x = 974,861,056,601,481.75/27,996,690.40
  6. Step 6: Final answer
    x = 34,820,582.10

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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.