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Finding the Fourth Proportional to 45,328, 62,552.64 and 25,459.84

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Solution

The fourth proportional to 45,328, 62,552.64 and 25,459.84 is: 35,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328 : 62,552.64 = 25,459.84 : x
  2. Step 2: Convert to fraction form
    45,328/62,552.64 = 25,459.84/x
  3. Step 3: Cross multiply
    45,328x = 62,552.64 × 25,459.84
  4. Step 4: Simplify right side
    45,328x = 1,592,580,205.98
  5. Step 5: Solve for x
    x = 1,592,580,205.98/45,328
  6. Step 6: Final answer
    x = 35,134.58

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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.