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Finding the Fourth Proportional to 967.19, 1,335.63 and 673.26

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Solution

The fourth proportional to 967.19, 1,335.63 and 673.26 is: 929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.19 : 1,335.63 = 673.26 : x
  2. Step 2: Convert to fraction form
    967.19/1,335.63 = 673.26/x
  3. Step 3: Cross multiply
    967.19x = 1,335.63 × 673.26
  4. Step 4: Simplify right side
    967.19x = 899,226.25
  5. Step 5: Solve for x
    x = 899,226.25/967.19
  6. Step 6: Final answer
    x = 929.73

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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.