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Finding the Fourth Proportional to 27,887,684.60, 39,074,644.90 and 27,887,684.60

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Solution

The fourth proportional to 27,887,684.60, 39,074,644.90 and 27,887,684.60 is: 39,074,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,684.60 : 39,074,644.90 = 27,887,684.60 : x
  2. Step 2: Convert to fraction form
    27,887,684.60/39,074,644.90 = 27,887,684.60/x
  3. Step 3: Cross multiply
    27,887,684.60x = 39,074,644.90 × 27,887,684.60
  4. Step 4: Simplify right side
    27,887,684.60x = 1,089,701,372,828,198.50
  5. Step 5: Solve for x
    x = 1,089,701,372,828,198.50/27,887,684.60
  6. Step 6: Final answer
    x = 39,074,644.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.