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Finding the Fourth Proportional to 33,253, 45,893.40 and 19,108.60

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Solution

The fourth proportional to 33,253, 45,893.40 and 19,108.60 is: 26,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,253 : 45,893.40 = 19,108.60 : x
  2. Step 2: Convert to fraction form
    33,253/45,893.40 = 19,108.60/x
  3. Step 3: Cross multiply
    33,253x = 45,893.40 × 19,108.60
  4. Step 4: Simplify right side
    33,253x = 876,958,623.24
  5. Step 5: Solve for x
    x = 876,958,623.24/33,253
  6. Step 6: Final answer
    x = 26,372.32

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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.