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Finding the Fourth Proportional to 7,008.25, 10,512.42 and 1,814.17

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Solution

The fourth proportional to 7,008.25, 10,512.42 and 1,814.17 is: 2,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.25 : 10,512.42 = 1,814.17 : x
  2. Step 2: Convert to fraction form
    7,008.25/10,512.42 = 1,814.17/x
  3. Step 3: Cross multiply
    7,008.25x = 10,512.42 × 1,814.17
  4. Step 4: Simplify right side
    7,008.25x = 19,071,316.99
  5. Step 5: Solve for x
    x = 19,071,316.99/7,008.25
  6. Step 6: Final answer
    x = 2,721.27

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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.