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Finding the Fourth Proportional to 1,063.53, 1,467.81 and 732.15

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Solution

The fourth proportional to 1,063.53, 1,467.81 and 732.15 is: 1,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.53 : 1,467.81 = 732.15 : x
  2. Step 2: Convert to fraction form
    1,063.53/1,467.81 = 732.15/x
  3. Step 3: Cross multiply
    1,063.53x = 1,467.81 × 732.15
  4. Step 4: Simplify right side
    1,063.53x = 1,074,657.09
  5. Step 5: Solve for x
    x = 1,074,657.09/1,063.53
  6. Step 6: Final answer
    x = 1,010.46

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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.