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Finding the Fourth Proportional to 16,725, 25,089.18 and 4,413

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Solution

The fourth proportional to 16,725, 25,089.18 and 4,413 is: 6,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725 : 25,089.18 = 4,413 : x
  2. Step 2: Convert to fraction form
    16,725/25,089.18 = 4,413/x
  3. Step 3: Cross multiply
    16,725x = 25,089.18 × 4,413
  4. Step 4: Simplify right side
    16,725x = 110,718,551.34
  5. Step 5: Solve for x
    x = 110,718,551.34/16,725
  6. Step 6: Final answer
    x = 6,619.94

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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.