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Finding the Fourth Proportional to 25,593, 35,318.40 and 14,415

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Solution

The fourth proportional to 25,593, 35,318.40 and 14,415 is: 19,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,593 : 35,318.40 = 14,415 : x
  2. Step 2: Convert to fraction form
    25,593/35,318.40 = 14,415/x
  3. Step 3: Cross multiply
    25,593x = 35,318.40 × 14,415
  4. Step 4: Simplify right side
    25,593x = 509,114,736
  5. Step 5: Solve for x
    x = 509,114,736/25,593
  6. Step 6: Final answer
    x = 19,892.73

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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.