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Finding the Fourth Proportional to 29,466.97, 40,399.27 and 28,933.90

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Solution

The fourth proportional to 29,466.97, 40,399.27 and 28,933.90 is: 39,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,466.97 : 40,399.27 = 28,933.90 : x
  2. Step 2: Convert to fraction form
    29,466.97/40,399.27 = 28,933.90/x
  3. Step 3: Cross multiply
    29,466.97x = 40,399.27 × 28,933.90
  4. Step 4: Simplify right side
    29,466.97x = 1,168,908,438.25
  5. Step 5: Solve for x
    x = 1,168,908,438.25/29,466.97
  6. Step 6: Final answer
    x = 39,668.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.