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Finding the Fourth Proportional to 45,235.20, 67,859.20 and 17,536

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Solution

The fourth proportional to 45,235.20, 67,859.20 and 17,536 is: 26,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,235.20 : 67,859.20 = 17,536 : x
  2. Step 2: Convert to fraction form
    45,235.20/67,859.20 = 17,536/x
  3. Step 3: Cross multiply
    45,235.20x = 67,859.20 × 17,536
  4. Step 4: Simplify right side
    45,235.20x = 1,189,978,931.20
  5. Step 5: Solve for x
    x = 1,189,978,931.20/45,235.20
  6. Step 6: Final answer
    x = 26,306.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.