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Finding the Fourth Proportional to 2,624.94, 3,624.75 and 1,960.65

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Solution

The fourth proportional to 2,624.94, 3,624.75 and 1,960.65 is: 2,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.94 : 3,624.75 = 1,960.65 : x
  2. Step 2: Convert to fraction form
    2,624.94/3,624.75 = 1,960.65/x
  3. Step 3: Cross multiply
    2,624.94x = 3,624.75 × 1,960.65
  4. Step 4: Simplify right side
    2,624.94x = 7,106,866.09
  5. Step 5: Solve for x
    x = 7,106,866.09/2,624.94
  6. Step 6: Final answer
    x = 2,707.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.