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Finding the Fourth Proportional to 25,751.16, 35,540.20 and 18,604.20

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Solution

The fourth proportional to 25,751.16, 35,540.20 and 18,604.20 is: 25,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.16 : 35,540.20 = 18,604.20 : x
  2. Step 2: Convert to fraction form
    25,751.16/35,540.20 = 18,604.20/x
  3. Step 3: Cross multiply
    25,751.16x = 35,540.20 × 18,604.20
  4. Step 4: Simplify right side
    25,751.16x = 661,197,145.37
  5. Step 5: Solve for x
    x = 661,197,145.37/25,751.16
  6. Step 6: Final answer
    x = 25,676.40

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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.