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Finding the Fourth Proportional to 2,673.47, 4,010.41 and 725.63

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Solution

The fourth proportional to 2,673.47, 4,010.41 and 725.63 is: 1,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.47 : 4,010.41 = 725.63 : x
  2. Step 2: Convert to fraction form
    2,673.47/4,010.41 = 725.63/x
  3. Step 3: Cross multiply
    2,673.47x = 4,010.41 × 725.63
  4. Step 4: Simplify right side
    2,673.47x = 2,910,054.66
  5. Step 5: Solve for x
    x = 2,910,054.66/2,673.47
  6. Step 6: Final answer
    x = 1,088.49

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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.