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Finding the Fourth Proportional to 27,617.92, 41,410.28 and 12,417.70

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Solution

The fourth proportional to 27,617.92, 41,410.28 and 12,417.70 is: 18,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.92 : 41,410.28 = 12,417.70 : x
  2. Step 2: Convert to fraction form
    27,617.92/41,410.28 = 12,417.70/x
  3. Step 3: Cross multiply
    27,617.92x = 41,410.28 × 12,417.70
  4. Step 4: Simplify right side
    27,617.92x = 514,220,433.96
  5. Step 5: Solve for x
    x = 514,220,433.96/27,617.92
  6. Step 6: Final answer
    x = 18,619.09

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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.