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Finding the Fourth Proportional to 16,696.80, 25,045.20 and 5,018.28

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Solution

The fourth proportional to 16,696.80, 25,045.20 and 5,018.28 is: 7,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.80 : 25,045.20 = 5,018.28 : x
  2. Step 2: Convert to fraction form
    16,696.80/25,045.20 = 5,018.28/x
  3. Step 3: Cross multiply
    16,696.80x = 25,045.20 × 5,018.28
  4. Step 4: Simplify right side
    16,696.80x = 125,683,826.26
  5. Step 5: Solve for x
    x = 125,683,826.26/16,696.80
  6. Step 6: Final answer
    x = 7,527.42

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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.