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Finding the Fourth Proportional to 1,104.96, 1,523.52 and 1,006.32

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Solution

The fourth proportional to 1,104.96, 1,523.52 and 1,006.32 is: 1,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.96 : 1,523.52 = 1,006.32 : x
  2. Step 2: Convert to fraction form
    1,104.96/1,523.52 = 1,006.32/x
  3. Step 3: Cross multiply
    1,104.96x = 1,523.52 × 1,006.32
  4. Step 4: Simplify right side
    1,104.96x = 1,533,148.65
  5. Step 5: Solve for x
    x = 1,533,148.65/1,104.96
  6. Step 6: Final answer
    x = 1,387.52

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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.