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Finding the Fourth Proportional to 25,606.80, 38,410.20 and 17,733.60

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Solution

The fourth proportional to 25,606.80, 38,410.20 and 17,733.60 is: 26,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606.80 : 38,410.20 = 17,733.60 : x
  2. Step 2: Convert to fraction form
    25,606.80/38,410.20 = 17,733.60/x
  3. Step 3: Cross multiply
    25,606.80x = 38,410.20 × 17,733.60
  4. Step 4: Simplify right side
    25,606.80x = 681,151,122.72
  5. Step 5: Solve for x
    x = 681,151,122.72/25,606.80
  6. Step 6: Final answer
    x = 26,600.40

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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.