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Finding the Fourth Proportional to 26,339.40, 39,514.02 and 8,809.32

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Solution

The fourth proportional to 26,339.40, 39,514.02 and 8,809.32 is: 13,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.40 : 39,514.02 = 8,809.32 : x
  2. Step 2: Convert to fraction form
    26,339.40/39,514.02 = 8,809.32/x
  3. Step 3: Cross multiply
    26,339.40x = 39,514.02 × 8,809.32
  4. Step 4: Simplify right side
    26,339.40x = 348,091,646.67
  5. Step 5: Solve for x
    x = 348,091,646.67/26,339.40
  6. Step 6: Final answer
    x = 13,215.63

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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.