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Finding the Fourth Proportional to 2,444.25, 3,666.92 and 905.25

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Solution

The fourth proportional to 2,444.25, 3,666.92 and 905.25 is: 1,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.25 : 3,666.92 = 905.25 : x
  2. Step 2: Convert to fraction form
    2,444.25/3,666.92 = 905.25/x
  3. Step 3: Cross multiply
    2,444.25x = 3,666.92 × 905.25
  4. Step 4: Simplify right side
    2,444.25x = 3,319,474.80
  5. Step 5: Solve for x
    x = 3,319,474.80/2,444.25
  6. Step 6: Final answer
    x = 1,358.07

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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.