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Finding the Fourth Proportional to 45,348.16, 68,030.88 and 17,644

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Solution

The fourth proportional to 45,348.16, 68,030.88 and 17,644 is: 26,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.16 : 68,030.88 = 17,644 : x
  2. Step 2: Convert to fraction form
    45,348.16/68,030.88 = 17,644/x
  3. Step 3: Cross multiply
    45,348.16x = 68,030.88 × 17,644
  4. Step 4: Simplify right side
    45,348.16x = 1,200,336,846.72
  5. Step 5: Solve for x
    x = 1,200,336,846.72/45,348.16
  6. Step 6: Final answer
    x = 26,469.36

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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.