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Finding the Fourth Proportional to 1,624.68, 2,241.54 and 1,004.04

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Solution

The fourth proportional to 1,624.68, 2,241.54 and 1,004.04 is: 1,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.68 : 2,241.54 = 1,004.04 : x
  2. Step 2: Convert to fraction form
    1,624.68/2,241.54 = 1,004.04/x
  3. Step 3: Cross multiply
    1,624.68x = 2,241.54 × 1,004.04
  4. Step 4: Simplify right side
    1,624.68x = 2,250,595.82
  5. Step 5: Solve for x
    x = 2,250,595.82/1,624.68
  6. Step 6: Final answer
    x = 1,385.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.