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Finding the Fourth Proportional to 732.84, 1,008.61 and 700.03

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Solution

The fourth proportional to 732.84, 1,008.61 and 700.03 is: 963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.84 : 1,008.61 = 700.03 : x
  2. Step 2: Convert to fraction form
    732.84/1,008.61 = 700.03/x
  3. Step 3: Cross multiply
    732.84x = 1,008.61 × 700.03
  4. Step 4: Simplify right side
    732.84x = 706,057.26
  5. Step 5: Solve for x
    x = 706,057.26/732.84
  6. Step 6: Final answer
    x = 963.45

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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.