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Finding the Fourth Proportional to 2,892.48, 3,991.62 and 1,633.59

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Solution

The fourth proportional to 2,892.48, 3,991.62 and 1,633.59 is: 2,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.48 : 3,991.62 = 1,633.59 : x
  2. Step 2: Convert to fraction form
    2,892.48/3,991.62 = 1,633.59/x
  3. Step 3: Cross multiply
    2,892.48x = 3,991.62 × 1,633.59
  4. Step 4: Simplify right side
    2,892.48x = 6,520,670.52
  5. Step 5: Solve for x
    x = 6,520,670.52/2,892.48
  6. Step 6: Final answer
    x = 2,254.35

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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.