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Finding the Fourth Proportional to 29,369.66, 40,520.48 and 16,621.57

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Solution

The fourth proportional to 29,369.66, 40,520.48 and 16,621.57 is: 22,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.66 : 40,520.48 = 16,621.57 : x
  2. Step 2: Convert to fraction form
    29,369.66/40,520.48 = 16,621.57/x
  3. Step 3: Cross multiply
    29,369.66x = 40,520.48 × 16,621.57
  4. Step 4: Simplify right side
    29,369.66x = 673,513,911.65
  5. Step 5: Solve for x
    x = 673,513,911.65/29,369.66
  6. Step 6: Final answer
    x = 22,932.31

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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.