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Finding the Fourth Proportional to 69,971.99, 104,974.38 and 27,854.64

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Solution

The fourth proportional to 69,971.99, 104,974.38 and 27,854.64 is: 41,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.99 : 104,974.38 = 27,854.64 : x
  2. Step 2: Convert to fraction form
    69,971.99/104,974.38 = 27,854.64/x
  3. Step 3: Cross multiply
    69,971.99x = 104,974.38 × 27,854.64
  4. Step 4: Simplify right side
    69,971.99x = 2,924,023,564.12
  5. Step 5: Solve for x
    x = 2,924,023,564.12/69,971.99
  6. Step 6: Final answer
    x = 41,788.49

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1.5x scale

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.