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Finding the Fourth Proportional to 18,095.85, 27,142.74 and 10,746.99

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Solution

The fourth proportional to 18,095.85, 27,142.74 and 10,746.99 is: 16,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.85 : 27,142.74 = 10,746.99 : x
  2. Step 2: Convert to fraction form
    18,095.85/27,142.74 = 10,746.99/x
  3. Step 3: Cross multiply
    18,095.85x = 27,142.74 × 10,746.99
  4. Step 4: Simplify right side
    18,095.85x = 291,702,755.35
  5. Step 5: Solve for x
    x = 291,702,755.35/18,095.85
  6. Step 6: Final answer
    x = 16,119.87

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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.