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Finding the Fourth Proportional to 18,678.48, 27,935.04 and 16,612.92

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Solution

The fourth proportional to 18,678.48, 27,935.04 and 16,612.92 is: 24,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.48 : 27,935.04 = 16,612.92 : x
  2. Step 2: Convert to fraction form
    18,678.48/27,935.04 = 16,612.92/x
  3. Step 3: Cross multiply
    18,678.48x = 27,935.04 × 16,612.92
  4. Step 4: Simplify right side
    18,678.48x = 464,082,584.72
  5. Step 5: Solve for x
    x = 464,082,584.72/18,678.48
  6. Step 6: Final answer
    x = 24,845.84

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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.