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Finding the Fourth Proportional to 45,156.70, 62,313.78 and 25,012

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Solution

The fourth proportional to 45,156.70, 62,313.78 and 25,012 is: 34,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.70 : 62,313.78 = 25,012 : x
  2. Step 2: Convert to fraction form
    45,156.70/62,313.78 = 25,012/x
  3. Step 3: Cross multiply
    45,156.70x = 62,313.78 × 25,012
  4. Step 4: Simplify right side
    45,156.70x = 1,558,592,265.36
  5. Step 5: Solve for x
    x = 1,558,592,265.36/45,156.70
  6. Step 6: Final answer
    x = 34,515.19

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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.