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Finding the Fourth Proportional to 27,059.82, 40,623.06 and 12,841.86

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Solution

The fourth proportional to 27,059.82, 40,623.06 and 12,841.86 is: 19,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,059.82 : 40,623.06 = 12,841.86 : x
  2. Step 2: Convert to fraction form
    27,059.82/40,623.06 = 12,841.86/x
  3. Step 3: Cross multiply
    27,059.82x = 40,623.06 × 12,841.86
  4. Step 4: Simplify right side
    27,059.82x = 521,675,649.29
  5. Step 5: Solve for x
    x = 521,675,649.29/27,059.82
  6. Step 6: Final answer
    x = 19,278.61

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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.