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Finding the Fourth Proportional to 26,949.20, 40,423.80 and 14,464.40

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Solution

The fourth proportional to 26,949.20, 40,423.80 and 14,464.40 is: 21,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.20 : 40,423.80 = 14,464.40 : x
  2. Step 2: Convert to fraction form
    26,949.20/40,423.80 = 14,464.40/x
  3. Step 3: Cross multiply
    26,949.20x = 40,423.80 × 14,464.40
  4. Step 4: Simplify right side
    26,949.20x = 584,706,012.72
  5. Step 5: Solve for x
    x = 584,706,012.72/26,949.20
  6. Step 6: Final answer
    x = 21,696.60

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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.