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Finding the Fourth Proportional to 16,672.51, 25,012.16 and 6,812.58

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Solution

The fourth proportional to 16,672.51, 25,012.16 and 6,812.58 is: 10,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.51 : 25,012.16 = 6,812.58 : x
  2. Step 2: Convert to fraction form
    16,672.51/25,012.16 = 6,812.58/x
  3. Step 3: Cross multiply
    16,672.51x = 25,012.16 × 6,812.58
  4. Step 4: Simplify right side
    16,672.51x = 170,397,340.97
  5. Step 5: Solve for x
    x = 170,397,340.97/16,672.51
  6. Step 6: Final answer
    x = 10,220.26

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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.