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Finding the Fourth Proportional to 17,812.72, 26,706.12 and 10,892.08

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Solution

The fourth proportional to 17,812.72, 26,706.12 and 10,892.08 is: 16,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.72 : 26,706.12 = 10,892.08 : x
  2. Step 2: Convert to fraction form
    17,812.72/26,706.12 = 10,892.08/x
  3. Step 3: Cross multiply
    17,812.72x = 26,706.12 × 10,892.08
  4. Step 4: Simplify right side
    17,812.72x = 290,885,195.53
  5. Step 5: Solve for x
    x = 290,885,195.53/17,812.72
  6. Step 6: Final answer
    x = 16,330.20

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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.