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Finding the Fourth Proportional to 25,309.36, 37,964.04 and 7,540.29

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Solution

The fourth proportional to 25,309.36, 37,964.04 and 7,540.29 is: 11,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.36 : 37,964.04 = 7,540.29 : x
  2. Step 2: Convert to fraction form
    25,309.36/37,964.04 = 7,540.29/x
  3. Step 3: Cross multiply
    25,309.36x = 37,964.04 × 7,540.29
  4. Step 4: Simplify right side
    25,309.36x = 286,259,871.17
  5. Step 5: Solve for x
    x = 286,259,871.17/25,309.36
  6. Step 6: Final answer
    x = 11,310.44

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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.