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Finding the Fourth Proportional to 18,448.65, 27,672.84 and 4,597.65

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Solution

The fourth proportional to 18,448.65, 27,672.84 and 4,597.65 is: 6,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.65 : 27,672.84 = 4,597.65 : x
  2. Step 2: Convert to fraction form
    18,448.65/27,672.84 = 4,597.65/x
  3. Step 3: Cross multiply
    18,448.65x = 27,672.84 × 4,597.65
  4. Step 4: Simplify right side
    18,448.65x = 127,230,032.83
  5. Step 5: Solve for x
    x = 127,230,032.83/18,448.65
  6. Step 6: Final answer
    x = 6,896.44

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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.