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Finding the Fourth Proportional to 27,597.99, 38,090.48 and 15,662.44

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Solution

The fourth proportional to 27,597.99, 38,090.48 and 15,662.44 is: 21,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,597.99 : 38,090.48 = 15,662.44 : x
  2. Step 2: Convert to fraction form
    27,597.99/38,090.48 = 15,662.44/x
  3. Step 3: Cross multiply
    27,597.99x = 38,090.48 × 15,662.44
  4. Step 4: Simplify right side
    27,597.99x = 596,589,684.03
  5. Step 5: Solve for x
    x = 596,589,684.03/27,597.99
  6. Step 6: Final answer
    x = 21,617.14

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1.5x scale

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.