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Finding the Fourth Proportional to 29,118.88, 40,091.88 and 26,458.32

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Solution

The fourth proportional to 29,118.88, 40,091.88 and 26,458.32 is: 36,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.88 : 40,091.88 = 26,458.32 : x
  2. Step 2: Convert to fraction form
    29,118.88/40,091.88 = 26,458.32/x
  3. Step 3: Cross multiply
    29,118.88x = 40,091.88 × 26,458.32
  4. Step 4: Simplify right side
    29,118.88x = 1,060,763,790.44
  5. Step 5: Solve for x
    x = 1,060,763,790.44/29,118.88
  6. Step 6: Final answer
    x = 36,428.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.