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Finding the Fourth Proportional to 27,661,647.80, 41,492,471.70 and 26,864,486.30

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Solution

The fourth proportional to 27,661,647.80, 41,492,471.70 and 26,864,486.30 is: 40,296,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661,647.80 : 41,492,471.70 = 26,864,486.30 : x
  2. Step 2: Convert to fraction form
    27,661,647.80/41,492,471.70 = 26,864,486.30/x
  3. Step 3: Cross multiply
    27,661,647.80x = 41,492,471.70 × 26,864,486.30
  4. Step 4: Simplify right side
    27,661,647.80x = 1,114,673,937,537,787.88
  5. Step 5: Solve for x
    x = 1,114,673,937,537,787.88/27,661,647.80
  6. Step 6: Final answer
    x = 40,296,729.45

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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.