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Finding the Fourth Proportional to 1,214.73, 1,822.10 and 1,007.37

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Solution

The fourth proportional to 1,214.73, 1,822.10 and 1,007.37 is: 1,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.73 : 1,822.10 = 1,007.37 : x
  2. Step 2: Convert to fraction form
    1,214.73/1,822.10 = 1,007.37/x
  3. Step 3: Cross multiply
    1,214.73x = 1,822.10 × 1,007.37
  4. Step 4: Simplify right side
    1,214.73x = 1,835,523.84
  5. Step 5: Solve for x
    x = 1,835,523.84/1,214.73
  6. Step 6: Final answer
    x = 1,511.06

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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.