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Finding the Fourth Proportional to 26,590, 39,879.44 and 9,050.32

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Solution

The fourth proportional to 26,590, 39,879.44 and 9,050.32 is: 13,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590 : 39,879.44 = 9,050.32 : x
  2. Step 2: Convert to fraction form
    26,590/39,879.44 = 9,050.32/x
  3. Step 3: Cross multiply
    26,590x = 39,879.44 × 9,050.32
  4. Step 4: Simplify right side
    26,590x = 360,921,693.42
  5. Step 5: Solve for x
    x = 360,921,693.42/26,590
  6. Step 6: Final answer
    x = 13,573.59

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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.