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Finding the Fourth Proportional to 962.67, 1,327.48 and 714.48

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Solution

The fourth proportional to 962.67, 1,327.48 and 714.48 is: 985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.67 : 1,327.48 = 714.48 : x
  2. Step 2: Convert to fraction form
    962.67/1,327.48 = 714.48/x
  3. Step 3: Cross multiply
    962.67x = 1,327.48 × 714.48
  4. Step 4: Simplify right side
    962.67x = 948,457.91
  5. Step 5: Solve for x
    x = 948,457.91/962.67
  6. Step 6: Final answer
    x = 985.24

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1.5x scale

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.