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Finding the Fourth Proportional to 15,083.10, 22,631.13 and 10,728.54

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Solution

The fourth proportional to 15,083.10, 22,631.13 and 10,728.54 is: 16,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.10 : 22,631.13 = 10,728.54 : x
  2. Step 2: Convert to fraction form
    15,083.10/22,631.13 = 10,728.54/x
  3. Step 3: Cross multiply
    15,083.10x = 22,631.13 × 10,728.54
  4. Step 4: Simplify right side
    15,083.10x = 242,798,983.45
  5. Step 5: Solve for x
    x = 242,798,983.45/15,083.10
  6. Step 6: Final answer
    x = 16,097.42

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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.