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Finding the Fourth Proportional to 967.48, 1,335.80 and 746.08

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Solution

The fourth proportional to 967.48, 1,335.80 and 746.08 is: 1,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.48 : 1,335.80 = 746.08 : x
  2. Step 2: Convert to fraction form
    967.48/1,335.80 = 746.08/x
  3. Step 3: Cross multiply
    967.48x = 1,335.80 × 746.08
  4. Step 4: Simplify right side
    967.48x = 996,613.66
  5. Step 5: Solve for x
    x = 996,613.66/967.48
  6. Step 6: Final answer
    x = 1,030.11

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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.