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Finding the Fourth Proportional to 29,509.53, 40,722.62 and 16,080.90

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Solution

The fourth proportional to 29,509.53, 40,722.62 and 16,080.90 is: 22,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509.53 : 40,722.62 = 16,080.90 : x
  2. Step 2: Convert to fraction form
    29,509.53/40,722.62 = 16,080.90/x
  3. Step 3: Cross multiply
    29,509.53x = 40,722.62 × 16,080.90
  4. Step 4: Simplify right side
    29,509.53x = 654,856,299.55
  5. Step 5: Solve for x
    x = 654,856,299.55/29,509.53
  6. Step 6: Final answer
    x = 22,191.35

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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.