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Finding the Fourth Proportional to 16,803.88, 25,202.76 and 4,955.20

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Solution

The fourth proportional to 16,803.88, 25,202.76 and 4,955.20 is: 7,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.88 : 25,202.76 = 4,955.20 : x
  2. Step 2: Convert to fraction form
    16,803.88/25,202.76 = 4,955.20/x
  3. Step 3: Cross multiply
    16,803.88x = 25,202.76 × 4,955.20
  4. Step 4: Simplify right side
    16,803.88x = 124,884,716.35
  5. Step 5: Solve for x
    x = 124,884,716.35/16,803.88
  6. Step 6: Final answer
    x = 7,431.90

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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.