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Finding the Fourth Proportional to 27,656,857.90, 41,405,570.70 and 27,656,857.90

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Solution

The fourth proportional to 27,656,857.90, 41,405,570.70 and 27,656,857.90 is: 41,405,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656,857.90 : 41,405,570.70 = 27,656,857.90 : x
  2. Step 2: Convert to fraction form
    27,656,857.90/41,405,570.70 = 27,656,857.90/x
  3. Step 3: Cross multiply
    27,656,857.90x = 41,405,570.70 × 27,656,857.90
  4. Step 4: Simplify right side
    27,656,857.90x = 1,145,147,985,118,303.50
  5. Step 5: Solve for x
    x = 1,145,147,985,118,303.50/27,656,857.90
  6. Step 6: Final answer
    x = 41,405,570.70

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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.