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Finding the Fourth Proportional to 1,624.92, 2,435.25 and 892.89

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Solution

The fourth proportional to 1,624.92, 2,435.25 and 892.89 is: 1,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.92 : 2,435.25 = 892.89 : x
  2. Step 2: Convert to fraction form
    1,624.92/2,435.25 = 892.89/x
  3. Step 3: Cross multiply
    1,624.92x = 2,435.25 × 892.89
  4. Step 4: Simplify right side
    1,624.92x = 2,174,410.37
  5. Step 5: Solve for x
    x = 2,174,410.37/1,624.92
  6. Step 6: Final answer
    x = 1,338.16

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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.