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Finding the Fourth Proportional to 25,060.99, 34,571.03 and 15,497.82

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Solution

The fourth proportional to 25,060.99, 34,571.03 and 15,497.82 is: 21,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,060.99 : 34,571.03 = 15,497.82 : x
  2. Step 2: Convert to fraction form
    25,060.99/34,571.03 = 15,497.82/x
  3. Step 3: Cross multiply
    25,060.99x = 34,571.03 × 15,497.82
  4. Step 4: Simplify right side
    25,060.99x = 535,775,522.67
  5. Step 5: Solve for x
    x = 535,775,522.67/25,060.99
  6. Step 6: Final answer
    x = 21,378.87

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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.