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Finding the Fourth Proportional to 27,410.40, 37,713.60 and 25,660.80

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Solution

The fourth proportional to 27,410.40, 37,713.60 and 25,660.80 is: 35,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,410.40 : 37,713.60 = 25,660.80 : x
  2. Step 2: Convert to fraction form
    27,410.40/37,713.60 = 25,660.80/x
  3. Step 3: Cross multiply
    27,410.40x = 37,713.60 × 25,660.80
  4. Step 4: Simplify right side
    27,410.40x = 967,761,146.88
  5. Step 5: Solve for x
    x = 967,761,146.88/27,410.40
  6. Step 6: Final answer
    x = 35,306.35

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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.