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Finding the Fourth Proportional to 38,476.36, 57,734.84 and 27,303.88

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Solution

The fourth proportional to 38,476.36, 57,734.84 and 27,303.88 is: 40,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.36 : 57,734.84 = 27,303.88 : x
  2. Step 2: Convert to fraction form
    38,476.36/57,734.84 = 27,303.88/x
  3. Step 3: Cross multiply
    38,476.36x = 57,734.84 × 27,303.88
  4. Step 4: Simplify right side
    38,476.36x = 1,576,385,143.18
  5. Step 5: Solve for x
    x = 1,576,385,143.18/38,476.36
  6. Step 6: Final answer
    x = 40,970.23

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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.