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Finding the Fourth Proportional to 4,968.65, 6,853.70 and 2,950.70

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Solution

The fourth proportional to 4,968.65, 6,853.70 and 2,950.70 is: 4,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.65 : 6,853.70 = 2,950.70 : x
  2. Step 2: Convert to fraction form
    4,968.65/6,853.70 = 2,950.70/x
  3. Step 3: Cross multiply
    4,968.65x = 6,853.70 × 2,950.70
  4. Step 4: Simplify right side
    4,968.65x = 20,223,163.57
  5. Step 5: Solve for x
    x = 20,223,163.57/4,968.65
  6. Step 6: Final answer
    x = 4,070.15

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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.