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Finding the Fourth Proportional to 1,624.53, 2,434.40 and 884.03

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Solution

The fourth proportional to 1,624.53, 2,434.40 and 884.03 is: 1,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.53 : 2,434.40 = 884.03 : x
  2. Step 2: Convert to fraction form
    1,624.53/2,434.40 = 884.03/x
  3. Step 3: Cross multiply
    1,624.53x = 2,434.40 × 884.03
  4. Step 4: Simplify right side
    1,624.53x = 2,152,077.75
  5. Step 5: Solve for x
    x = 2,152,077.75/1,624.53
  6. Step 6: Final answer
    x = 1,324.74

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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.