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Finding the Fourth Proportional to 2,493.76, 3,433.16 and 1,925.16

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Solution

The fourth proportional to 2,493.76, 3,433.16 and 1,925.16 is: 2,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.76 : 3,433.16 = 1,925.16 : x
  2. Step 2: Convert to fraction form
    2,493.76/3,433.16 = 1,925.16/x
  3. Step 3: Cross multiply
    2,493.76x = 3,433.16 × 1,925.16
  4. Step 4: Simplify right side
    2,493.76x = 6,609,382.31
  5. Step 5: Solve for x
    x = 6,609,382.31/2,493.76
  6. Step 6: Final answer
    x = 2,650.37

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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.