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Finding the Fourth Proportional to 45,331, 62,556.82 and 25,459

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Solution

The fourth proportional to 45,331, 62,556.82 and 25,459 is: 35,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331 : 62,556.82 = 25,459 : x
  2. Step 2: Convert to fraction form
    45,331/62,556.82 = 25,459/x
  3. Step 3: Cross multiply
    45,331x = 62,556.82 × 25,459
  4. Step 4: Simplify right side
    45,331x = 1,592,634,080.38
  5. Step 5: Solve for x
    x = 1,592,634,080.38/45,331
  6. Step 6: Final answer
    x = 35,133.44

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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.