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Finding the Fourth Proportional to 19,458.34, 26,850.99 and 10,960

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Solution

The fourth proportional to 19,458.34, 26,850.99 and 10,960 is: 15,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.34 : 26,850.99 = 10,960 : x
  2. Step 2: Convert to fraction form
    19,458.34/26,850.99 = 10,960/x
  3. Step 3: Cross multiply
    19,458.34x = 26,850.99 × 10,960
  4. Step 4: Simplify right side
    19,458.34x = 294,286,850.40
  5. Step 5: Solve for x
    x = 294,286,850.40/19,458.34
  6. Step 6: Final answer
    x = 15,123.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.