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Finding the Fourth Proportional to 34,101.84, 51,119.70 and 17,469.72

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Solution

The fourth proportional to 34,101.84, 51,119.70 and 17,469.72 is: 26,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.84 : 51,119.70 = 17,469.72 : x
  2. Step 2: Convert to fraction form
    34,101.84/51,119.70 = 17,469.72/x
  3. Step 3: Cross multiply
    34,101.84x = 51,119.70 × 17,469.72
  4. Step 4: Simplify right side
    34,101.84x = 893,046,845.48
  5. Step 5: Solve for x
    x = 893,046,845.48/34,101.84
  6. Step 6: Final answer
    x = 26,187.64

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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.