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Finding the Fourth Proportional to 18,468.66, 27,712.76 and 10,682.94

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Solution

The fourth proportional to 18,468.66, 27,712.76 and 10,682.94 is: 16,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.66 : 27,712.76 = 10,682.94 : x
  2. Step 2: Convert to fraction form
    18,468.66/27,712.76 = 10,682.94/x
  3. Step 3: Cross multiply
    18,468.66x = 27,712.76 × 10,682.94
  4. Step 4: Simplify right side
    18,468.66x = 296,053,752.31
  5. Step 5: Solve for x
    x = 296,053,752.31/18,468.66
  6. Step 6: Final answer
    x = 16,030.06

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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.