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Finding the Fourth Proportional to 4,881.52, 7,322.23 and 2,540.33

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Solution

The fourth proportional to 4,881.52, 7,322.23 and 2,540.33 is: 3,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.52 : 7,322.23 = 2,540.33 : x
  2. Step 2: Convert to fraction form
    4,881.52/7,322.23 = 2,540.33/x
  3. Step 3: Cross multiply
    4,881.52x = 7,322.23 × 2,540.33
  4. Step 4: Simplify right side
    4,881.52x = 18,600,880.54
  5. Step 5: Solve for x
    x = 18,600,880.54/4,881.52
  6. Step 6: Final answer
    x = 3,810.47

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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.