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Finding the Fourth Proportional to 967.06, 1,451.00 and 890.47

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Solution

The fourth proportional to 967.06, 1,451.00 and 890.47 is: 1,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.06 : 1,451.00 = 890.47 : x
  2. Step 2: Convert to fraction form
    967.06/1,451.00 = 890.47/x
  3. Step 3: Cross multiply
    967.06x = 1,451.00 × 890.47
  4. Step 4: Simplify right side
    967.06x = 1,292,063.89
  5. Step 5: Solve for x
    x = 1,292,063.89/967.06
  6. Step 6: Final answer
    x = 1,336.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.