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Finding the Fourth Proportional to 2,841.40, 4,262.62 and 967.48

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Solution

The fourth proportional to 2,841.40, 4,262.62 and 967.48 is: 1,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.40 : 4,262.62 = 967.48 : x
  2. Step 2: Convert to fraction form
    2,841.40/4,262.62 = 967.48/x
  3. Step 3: Cross multiply
    2,841.40x = 4,262.62 × 967.48
  4. Step 4: Simplify right side
    2,841.40x = 4,123,999.60
  5. Step 5: Solve for x
    x = 4,123,999.60/2,841.40
  6. Step 6: Final answer
    x = 1,451.40

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1.5x scale

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.