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Finding the Fourth Proportional to 26,393.45, 39,592.74 and 7,673.63

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Solution

The fourth proportional to 26,393.45, 39,592.74 and 7,673.63 is: 11,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.45 : 39,592.74 = 7,673.63 : x
  2. Step 2: Convert to fraction form
    26,393.45/39,592.74 = 7,673.63/x
  3. Step 3: Cross multiply
    26,393.45x = 39,592.74 × 7,673.63
  4. Step 4: Simplify right side
    26,393.45x = 303,819,868.26
  5. Step 5: Solve for x
    x = 303,819,868.26/26,393.45
  6. Step 6: Final answer
    x = 11,511.19

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1.5x scale

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.