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Finding the Fourth Proportional to 16,672.80, 25,009.20 and 15,907.35

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Solution

The fourth proportional to 16,672.80, 25,009.20 and 15,907.35 is: 23,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.80 : 25,009.20 = 15,907.35 : x
  2. Step 2: Convert to fraction form
    16,672.80/25,009.20 = 15,907.35/x
  3. Step 3: Cross multiply
    16,672.80x = 25,009.20 × 15,907.35
  4. Step 4: Simplify right side
    16,672.80x = 397,830,097.62
  5. Step 5: Solve for x
    x = 397,830,097.62/16,672.80
  6. Step 6: Final answer
    x = 23,861.03

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1.5x scale

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.