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Finding the Fourth Proportional to 16,727.60, 25,110.60 and 10,161.20

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Solution

The fourth proportional to 16,727.60, 25,110.60 and 10,161.20 is: 15,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.60 : 25,110.60 = 10,161.20 : x
  2. Step 2: Convert to fraction form
    16,727.60/25,110.60 = 10,161.20/x
  3. Step 3: Cross multiply
    16,727.60x = 25,110.60 × 10,161.20
  4. Step 4: Simplify right side
    16,727.60x = 255,153,828.72
  5. Step 5: Solve for x
    x = 255,153,828.72/16,727.60
  6. Step 6: Final answer
    x = 15,253.46

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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.