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Finding the Fourth Proportional to 25,324, 37,889.61 and 15,291.82

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Solution

The fourth proportional to 25,324, 37,889.61 and 15,291.82 is: 22,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,324 : 37,889.61 = 15,291.82 : x
  2. Step 2: Convert to fraction form
    25,324/37,889.61 = 15,291.82/x
  3. Step 3: Cross multiply
    25,324x = 37,889.61 × 15,291.82
  4. Step 4: Simplify right side
    25,324x = 579,401,095.99
  5. Step 5: Solve for x
    x = 579,401,095.99/25,324
  6. Step 6: Final answer
    x = 22,879.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.