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Finding the Fourth Proportional to 45,131, 62,280.84 and 25,259

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Solution

The fourth proportional to 45,131, 62,280.84 and 25,259 is: 34,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,131 : 62,280.84 = 25,259 : x
  2. Step 2: Convert to fraction form
    45,131/62,280.84 = 25,259/x
  3. Step 3: Cross multiply
    45,131x = 62,280.84 × 25,259
  4. Step 4: Simplify right side
    45,131x = 1,573,151,737.56
  5. Step 5: Solve for x
    x = 1,573,151,737.56/45,131
  6. Step 6: Final answer
    x = 34,857.45

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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.