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Finding the Fourth Proportional to 967.02, 1,332 and 671.64

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Solution

The fourth proportional to 967.02, 1,332 and 671.64 is: 925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.02 : 1,332 = 671.64 : x
  2. Step 2: Convert to fraction form
    967.02/1,332 = 671.64/x
  3. Step 3: Cross multiply
    967.02x = 1,332 × 671.64
  4. Step 4: Simplify right side
    967.02x = 894,624.48
  5. Step 5: Solve for x
    x = 894,624.48/967.02
  6. Step 6: Final answer
    x = 925.14

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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.