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Finding the Fourth Proportional to 53,394.90, 73,699.54 and 33,239.80

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Solution

The fourth proportional to 53,394.90, 73,699.54 and 33,239.80 is: 45,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.90 : 73,699.54 = 33,239.80 : x
  2. Step 2: Convert to fraction form
    53,394.90/73,699.54 = 33,239.80/x
  3. Step 3: Cross multiply
    53,394.90x = 73,699.54 × 33,239.80
  4. Step 4: Simplify right side
    53,394.90x = 2,449,757,978.72
  5. Step 5: Solve for x
    x = 2,449,757,978.72/53,394.90
  6. Step 6: Final answer
    x = 45,880.00

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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.