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Finding the Fourth Proportional to 975.97, 1,462.57 and 732.21

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Solution

The fourth proportional to 975.97, 1,462.57 and 732.21 is: 1,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.97 : 1,462.57 = 732.21 : x
  2. Step 2: Convert to fraction form
    975.97/1,462.57 = 732.21/x
  3. Step 3: Cross multiply
    975.97x = 1,462.57 × 732.21
  4. Step 4: Simplify right side
    975.97x = 1,070,905.18
  5. Step 5: Solve for x
    x = 1,070,905.18/975.97
  6. Step 6: Final answer
    x = 1,097.28

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1.5x scale

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.