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Finding the Fourth Proportional to 1,363.36, 1,880.04 and 1,167.52

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Solution

The fourth proportional to 1,363.36, 1,880.04 and 1,167.52 is: 1,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.36 : 1,880.04 = 1,167.52 : x
  2. Step 2: Convert to fraction form
    1,363.36/1,880.04 = 1,167.52/x
  3. Step 3: Cross multiply
    1,363.36x = 1,880.04 × 1,167.52
  4. Step 4: Simplify right side
    1,363.36x = 2,194,984.30
  5. Step 5: Solve for x
    x = 2,194,984.30/1,363.36
  6. Step 6: Final answer
    x = 1,609.98

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1.5x scale

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.