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Finding the Fourth Proportional to 53,561, 73,883.40 and 33,408.20

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Solution

The fourth proportional to 53,561, 73,883.40 and 33,408.20 is: 46,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561 : 73,883.40 = 33,408.20 : x
  2. Step 2: Convert to fraction form
    53,561/73,883.40 = 33,408.20/x
  3. Step 3: Cross multiply
    53,561x = 73,883.40 × 33,408.20
  4. Step 4: Simplify right side
    53,561x = 2,468,311,403.88
  5. Step 5: Solve for x
    x = 2,468,311,403.88/53,561
  6. Step 6: Final answer
    x = 46,084.12

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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.