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Finding the Fourth Proportional to 54,483, 75,169.26 and 33,251.64

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Solution

The fourth proportional to 54,483, 75,169.26 and 33,251.64 is: 45,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,483 : 75,169.26 = 33,251.64 : x
  2. Step 2: Convert to fraction form
    54,483/75,169.26 = 33,251.64/x
  3. Step 3: Cross multiply
    54,483x = 75,169.26 × 33,251.64
  4. Step 4: Simplify right side
    54,483x = 2,499,501,172.59
  5. Step 5: Solve for x
    x = 2,499,501,172.59/54,483
  6. Step 6: Final answer
    x = 45,876.72

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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.