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Finding the Fourth Proportional to 16,728.66, 25,094.16 and 6,868.44

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Solution

The fourth proportional to 16,728.66, 25,094.16 and 6,868.44 is: 10,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.66 : 25,094.16 = 6,868.44 : x
  2. Step 2: Convert to fraction form
    16,728.66/25,094.16 = 6,868.44/x
  3. Step 3: Cross multiply
    16,728.66x = 25,094.16 × 6,868.44
  4. Step 4: Simplify right side
    16,728.66x = 172,357,732.31
  5. Step 5: Solve for x
    x = 172,357,732.31/16,728.66
  6. Step 6: Final answer
    x = 10,303.14

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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.