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Finding the Fourth Proportional to 26,883.60, 40,276.80 and 21,926.40

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Solution

The fourth proportional to 26,883.60, 40,276.80 and 21,926.40 is: 32,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883.60 : 40,276.80 = 21,926.40 : x
  2. Step 2: Convert to fraction form
    26,883.60/40,276.80 = 21,926.40/x
  3. Step 3: Cross multiply
    26,883.60x = 40,276.80 × 21,926.40
  4. Step 4: Simplify right side
    26,883.60x = 883,125,227.52
  5. Step 5: Solve for x
    x = 883,125,227.52/26,883.60
  6. Step 6: Final answer
    x = 32,849.96

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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.