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Finding the Fourth Proportional to 45,158, 62,318.04 and 25,286

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Solution

The fourth proportional to 45,158, 62,318.04 and 25,286 is: 34,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158 : 62,318.04 = 25,286 : x
  2. Step 2: Convert to fraction form
    45,158/62,318.04 = 25,286/x
  3. Step 3: Cross multiply
    45,158x = 62,318.04 × 25,286
  4. Step 4: Simplify right side
    45,158x = 1,575,773,959.44
  5. Step 5: Solve for x
    x = 1,575,773,959.44/45,158
  6. Step 6: Final answer
    x = 34,894.68

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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.