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Finding the Fourth Proportional to 16,043.40, 24,064.90 and 7,272.20

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Solution

The fourth proportional to 16,043.40, 24,064.90 and 7,272.20 is: 10,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,043.40 : 24,064.90 = 7,272.20 : x
  2. Step 2: Convert to fraction form
    16,043.40/24,064.90 = 7,272.20/x
  3. Step 3: Cross multiply
    16,043.40x = 24,064.90 × 7,272.20
  4. Step 4: Simplify right side
    16,043.40x = 175,004,765.78
  5. Step 5: Solve for x
    x = 175,004,765.78/16,043.40
  6. Step 6: Final answer
    x = 10,908.21

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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.