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Finding the Fourth Proportional to 16,907.70, 25,356.15 and 7,044.60

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Solution

The fourth proportional to 16,907.70, 25,356.15 and 7,044.60 is: 10,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.70 : 25,356.15 = 7,044.60 : x
  2. Step 2: Convert to fraction form
    16,907.70/25,356.15 = 7,044.60/x
  3. Step 3: Cross multiply
    16,907.70x = 25,356.15 × 7,044.60
  4. Step 4: Simplify right side
    16,907.70x = 178,623,934.29
  5. Step 5: Solve for x
    x = 178,623,934.29/16,907.70
  6. Step 6: Final answer
    x = 10,564.65

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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.