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Finding the Fourth Proportional to 69,028.76, 103,523.12 and 26,899.44

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Solution

The fourth proportional to 69,028.76, 103,523.12 and 26,899.44 is: 40,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,028.76 : 103,523.12 = 26,899.44 : x
  2. Step 2: Convert to fraction form
    69,028.76/103,523.12 = 26,899.44/x
  3. Step 3: Cross multiply
    69,028.76x = 103,523.12 × 26,899.44
  4. Step 4: Simplify right side
    69,028.76x = 2,784,713,955.05
  5. Step 5: Solve for x
    x = 2,784,713,955.05/69,028.76
  6. Step 6: Final answer
    x = 40,341.36

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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.