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Finding the Fourth Proportional to 16,704.60, 25,008.30 and 10,127.40

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Solution

The fourth proportional to 16,704.60, 25,008.30 and 10,127.40 is: 15,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.60 : 25,008.30 = 10,127.40 : x
  2. Step 2: Convert to fraction form
    16,704.60/25,008.30 = 10,127.40/x
  3. Step 3: Cross multiply
    16,704.60x = 25,008.30 × 10,127.40
  4. Step 4: Simplify right side
    16,704.60x = 253,269,057.42
  5. Step 5: Solve for x
    x = 253,269,057.42/16,704.60
  6. Step 6: Final answer
    x = 15,161.64

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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.