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Finding the Fourth Proportional to 51,228, 76,775.04 and 26,246.88

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Solution

The fourth proportional to 51,228, 76,775.04 and 26,246.88 is: 39,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228 : 76,775.04 = 26,246.88 : x
  2. Step 2: Convert to fraction form
    51,228/76,775.04 = 26,246.88/x
  3. Step 3: Cross multiply
    51,228x = 76,775.04 × 26,246.88
  4. Step 4: Simplify right side
    51,228x = 2,015,105,261.88
  5. Step 5: Solve for x
    x = 2,015,105,261.88/51,228
  6. Step 6: Final answer
    x = 39,336.01

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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.