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Finding the Fourth Proportional to 27,674.39, 38,203.02 and 18,749.00

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Solution

The fourth proportional to 27,674.39, 38,203.02 and 18,749.00 is: 25,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.39 : 38,203.02 = 18,749.00 : x
  2. Step 2: Convert to fraction form
    27,674.39/38,203.02 = 18,749.00/x
  3. Step 3: Cross multiply
    27,674.39x = 38,203.02 × 18,749.00
  4. Step 4: Simplify right side
    27,674.39x = 716,268,230.96
  5. Step 5: Solve for x
    x = 716,268,230.96/27,674.39
  6. Step 6: Final answer
    x = 25,881.99

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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.