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Finding the Fourth Proportional to 953.48, 1,316.43 and 732.03

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Solution

The fourth proportional to 953.48, 1,316.43 and 732.03 is: 1,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.48 : 1,316.43 = 732.03 : x
  2. Step 2: Convert to fraction form
    953.48/1,316.43 = 732.03/x
  3. Step 3: Cross multiply
    953.48x = 1,316.43 × 732.03
  4. Step 4: Simplify right side
    953.48x = 963,666.25
  5. Step 5: Solve for x
    x = 963,666.25/953.48
  6. Step 6: Final answer
    x = 1,010.69

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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.