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Finding the Fourth Proportional to 17,895.15, 26,830.87 and 8,536.61

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Solution

The fourth proportional to 17,895.15, 26,830.87 and 8,536.61 is: 12,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.15 : 26,830.87 = 8,536.61 : x
  2. Step 2: Convert to fraction form
    17,895.15/26,830.87 = 8,536.61/x
  3. Step 3: Cross multiply
    17,895.15x = 26,830.87 × 8,536.61
  4. Step 4: Simplify right side
    17,895.15x = 229,044,666.58
  5. Step 5: Solve for x
    x = 229,044,666.58/17,895.15
  6. Step 6: Final answer
    x = 12,799.26

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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.