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Finding the Fourth Proportional to 52,726.84, 79,097.22 and 19,470.28

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Solution

The fourth proportional to 52,726.84, 79,097.22 and 19,470.28 is: 29,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,726.84 : 79,097.22 = 19,470.28 : x
  2. Step 2: Convert to fraction form
    52,726.84/79,097.22 = 19,470.28/x
  3. Step 3: Cross multiply
    52,726.84x = 79,097.22 × 19,470.28
  4. Step 4: Simplify right side
    52,726.84x = 1,540,045,020.62
  5. Step 5: Solve for x
    x = 1,540,045,020.62/52,726.84
  6. Step 6: Final answer
    x = 29,207.99

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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.