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Finding the Fourth Proportional to 26,873.76, 40,308.48 and 16,984.20

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Solution

The fourth proportional to 26,873.76, 40,308.48 and 16,984.20 is: 25,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,873.76 : 40,308.48 = 16,984.20 : x
  2. Step 2: Convert to fraction form
    26,873.76/40,308.48 = 16,984.20/x
  3. Step 3: Cross multiply
    26,873.76x = 40,308.48 × 16,984.20
  4. Step 4: Simplify right side
    26,873.76x = 684,607,286.02
  5. Step 5: Solve for x
    x = 684,607,286.02/26,873.76
  6. Step 6: Final answer
    x = 25,474.93

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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.