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Finding the Fourth Proportional to 52,273, 78,373.86 and 17,207.56

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Solution

The fourth proportional to 52,273, 78,373.86 and 17,207.56 is: 25,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273 : 78,373.86 = 17,207.56 : x
  2. Step 2: Convert to fraction form
    52,273/78,373.86 = 17,207.56/x
  3. Step 3: Cross multiply
    52,273x = 78,373.86 × 17,207.56
  4. Step 4: Simplify right side
    52,273x = 1,348,622,898.38
  5. Step 5: Solve for x
    x = 1,348,622,898.38/52,273
  6. Step 6: Final answer
    x = 25,799.61

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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.