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Finding the Fourth Proportional to 26,682.80, 40,025.01 and 9,152.38

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Solution

The fourth proportional to 26,682.80, 40,025.01 and 9,152.38 is: 13,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.80 : 40,025.01 = 9,152.38 : x
  2. Step 2: Convert to fraction form
    26,682.80/40,025.01 = 9,152.38/x
  3. Step 3: Cross multiply
    26,682.80x = 40,025.01 × 9,152.38
  4. Step 4: Simplify right side
    26,682.80x = 366,323,900.90
  5. Step 5: Solve for x
    x = 366,323,900.90/26,682.80
  6. Step 6: Final answer
    x = 13,728.84

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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.