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Finding the Fourth Proportional to 25,614, 35,347.32 and 14,436

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Solution

The fourth proportional to 25,614, 35,347.32 and 14,436 is: 19,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614 : 35,347.32 = 14,436 : x
  2. Step 2: Convert to fraction form
    25,614/35,347.32 = 14,436/x
  3. Step 3: Cross multiply
    25,614x = 35,347.32 × 14,436
  4. Step 4: Simplify right side
    25,614x = 510,273,911.52
  5. Step 5: Solve for x
    x = 510,273,911.52/25,614
  6. Step 6: Final answer
    x = 19,921.68

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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.