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Finding the Fourth Proportional to 2,534.06, 3,798.96 and 891.68

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Solution

The fourth proportional to 2,534.06, 3,798.96 and 891.68 is: 1,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.06 : 3,798.96 = 891.68 : x
  2. Step 2: Convert to fraction form
    2,534.06/3,798.96 = 891.68/x
  3. Step 3: Cross multiply
    2,534.06x = 3,798.96 × 891.68
  4. Step 4: Simplify right side
    2,534.06x = 3,387,456.65
  5. Step 5: Solve for x
    x = 3,387,456.65/2,534.06
  6. Step 6: Final answer
    x = 1,336.77

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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.