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Finding the Fourth Proportional to 17,675.52, 24,431.22 and 15,534.99

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Solution

The fourth proportional to 17,675.52, 24,431.22 and 15,534.99 is: 21,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,675.52 : 24,431.22 = 15,534.99 : x
  2. Step 2: Convert to fraction form
    17,675.52/24,431.22 = 15,534.99/x
  3. Step 3: Cross multiply
    17,675.52x = 24,431.22 × 15,534.99
  4. Step 4: Simplify right side
    17,675.52x = 379,538,758.39
  5. Step 5: Solve for x
    x = 379,538,758.39/17,675.52
  6. Step 6: Final answer
    x = 21,472.57

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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.