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Finding the Fourth Proportional to 26,959.60, 40,439.40 and 24,540.40

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Solution

The fourth proportional to 26,959.60, 40,439.40 and 24,540.40 is: 36,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.60 : 40,439.40 = 24,540.40 : x
  2. Step 2: Convert to fraction form
    26,959.60/40,439.40 = 24,540.40/x
  3. Step 3: Cross multiply
    26,959.60x = 40,439.40 × 24,540.40
  4. Step 4: Simplify right side
    26,959.60x = 992,399,051.76
  5. Step 5: Solve for x
    x = 992,399,051.76/26,959.60
  6. Step 6: Final answer
    x = 36,810.60

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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.