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Finding the Fourth Proportional to 16,671.53, 25,007.16 and 6,803.89

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Solution

The fourth proportional to 16,671.53, 25,007.16 and 6,803.89 is: 10,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.53 : 25,007.16 = 6,803.89 : x
  2. Step 2: Convert to fraction form
    16,671.53/25,007.16 = 6,803.89/x
  3. Step 3: Cross multiply
    16,671.53x = 25,007.16 × 6,803.89
  4. Step 4: Simplify right side
    16,671.53x = 170,145,857.80
  5. Step 5: Solve for x
    x = 170,145,857.80/16,671.53
  6. Step 6: Final answer
    x = 10,205.77

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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.