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Finding the Fourth Proportional to 18,469.04, 27,703.55 and 4,618.04

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Solution

The fourth proportional to 18,469.04, 27,703.55 and 4,618.04 is: 6,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.04 : 27,703.55 = 4,618.04 : x
  2. Step 2: Convert to fraction form
    18,469.04/27,703.55 = 4,618.04/x
  3. Step 3: Cross multiply
    18,469.04x = 27,703.55 × 4,618.04
  4. Step 4: Simplify right side
    18,469.04x = 127,935,940.43
  5. Step 5: Solve for x
    x = 127,935,940.43/18,469.04
  6. Step 6: Final answer
    x = 6,927.05

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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.