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Finding the Fourth Proportional to 26,900.78, 40,179.04 and 24,364.08

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Solution

The fourth proportional to 26,900.78, 40,179.04 and 24,364.08 is: 36,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.78 : 40,179.04 = 24,364.08 : x
  2. Step 2: Convert to fraction form
    26,900.78/40,179.04 = 24,364.08/x
  3. Step 3: Cross multiply
    26,900.78x = 40,179.04 × 24,364.08
  4. Step 4: Simplify right side
    26,900.78x = 978,925,283.97
  5. Step 5: Solve for x
    x = 978,925,283.97/26,900.78
  6. Step 6: Final answer
    x = 36,390.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.