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Finding the Fourth Proportional to 2,444.70, 3,372.15 and 1,605.45

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Solution

The fourth proportional to 2,444.70, 3,372.15 and 1,605.45 is: 2,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.70 : 3,372.15 = 1,605.45 : x
  2. Step 2: Convert to fraction form
    2,444.70/3,372.15 = 1,605.45/x
  3. Step 3: Cross multiply
    2,444.70x = 3,372.15 × 1,605.45
  4. Step 4: Simplify right side
    2,444.70x = 5,413,818.22
  5. Step 5: Solve for x
    x = 5,413,818.22/2,444.70
  6. Step 6: Final answer
    x = 2,214.51

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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.