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Finding the Fourth Proportional to 33,076, 45,647.76 and 18,174.88

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Solution

The fourth proportional to 33,076, 45,647.76 and 18,174.88 is: 25,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076 : 45,647.76 = 18,174.88 : x
  2. Step 2: Convert to fraction form
    33,076/45,647.76 = 18,174.88/x
  3. Step 3: Cross multiply
    33,076x = 45,647.76 × 18,174.88
  4. Step 4: Simplify right side
    33,076x = 829,642,560.27
  5. Step 5: Solve for x
    x = 829,642,560.27/33,076
  6. Step 6: Final answer
    x = 25,082.92

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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.