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Finding the Fourth Proportional to 27,457.68, 41,193.36 and 12,676.88

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Solution

The fourth proportional to 27,457.68, 41,193.36 and 12,676.88 is: 19,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.68 : 41,193.36 = 12,676.88 : x
  2. Step 2: Convert to fraction form
    27,457.68/41,193.36 = 12,676.88/x
  3. Step 3: Cross multiply
    27,457.68x = 41,193.36 × 12,676.88
  4. Step 4: Simplify right side
    27,457.68x = 522,203,281.52
  5. Step 5: Solve for x
    x = 522,203,281.52/27,457.68
  6. Step 6: Final answer
    x = 19,018.48

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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.