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Finding the Fourth Proportional to 47,365, 65,356.26 and 27,217.99

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Solution

The fourth proportional to 47,365, 65,356.26 and 27,217.99 is: 37,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365 : 65,356.26 = 27,217.99 : x
  2. Step 2: Convert to fraction form
    47,365/65,356.26 = 27,217.99/x
  3. Step 3: Cross multiply
    47,365x = 65,356.26 × 27,217.99
  4. Step 4: Simplify right side
    47,365x = 1,778,866,031.12
  5. Step 5: Solve for x
    x = 1,778,866,031.12/47,365
  6. Step 6: Final answer
    x = 37,556.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.