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Finding the Fourth Proportional to 38,553.88, 52,999.88 and 33,156.52

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Solution

The fourth proportional to 38,553.88, 52,999.88 and 33,156.52 is: 45,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.88 : 52,999.88 = 33,156.52 : x
  2. Step 2: Convert to fraction form
    38,553.88/52,999.88 = 33,156.52/x
  3. Step 3: Cross multiply
    38,553.88x = 52,999.88 × 33,156.52
  4. Step 4: Simplify right side
    38,553.88x = 1,757,291,581.22
  5. Step 5: Solve for x
    x = 1,757,291,581.22/38,553.88
  6. Step 6: Final answer
    x = 45,580.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.