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Finding the Fourth Proportional to 26,048, 39,073.08 and 7,580

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Solution

The fourth proportional to 26,048, 39,073.08 and 7,580 is: 11,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,048 : 39,073.08 = 7,580 : x
  2. Step 2: Convert to fraction form
    26,048/39,073.08 = 7,580/x
  3. Step 3: Cross multiply
    26,048x = 39,073.08 × 7,580
  4. Step 4: Simplify right side
    26,048x = 296,173,946.40
  5. Step 5: Solve for x
    x = 296,173,946.40/26,048
  6. Step 6: Final answer
    x = 11,370.31

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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.