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Finding the Fourth Proportional to 27,887.76, 41,829.84 and 8,165.76

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Solution

The fourth proportional to 27,887.76, 41,829.84 and 8,165.76 is: 12,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.76 : 41,829.84 = 8,165.76 : x
  2. Step 2: Convert to fraction form
    27,887.76/41,829.84 = 8,165.76/x
  3. Step 3: Cross multiply
    27,887.76x = 41,829.84 × 8,165.76
  4. Step 4: Simplify right side
    27,887.76x = 341,572,434.28
  5. Step 5: Solve for x
    x = 341,572,434.28/27,887.76
  6. Step 6: Final answer
    x = 12,248.11

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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.