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Finding the Fourth Proportional to 2,950.80, 4,426.20 and 2,468.40

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Solution

The fourth proportional to 2,950.80, 4,426.20 and 2,468.40 is: 3,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.80 : 4,426.20 = 2,468.40 : x
  2. Step 2: Convert to fraction form
    2,950.80/4,426.20 = 2,468.40/x
  3. Step 3: Cross multiply
    2,950.80x = 4,426.20 × 2,468.40
  4. Step 4: Simplify right side
    2,950.80x = 10,925,632.08
  5. Step 5: Solve for x
    x = 10,925,632.08/2,950.80
  6. Step 6: Final answer
    x = 3,702.60

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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.