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Finding the Fourth Proportional to 16,802.16, 25,203.24 and 15,839.88

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Solution

The fourth proportional to 16,802.16, 25,203.24 and 15,839.88 is: 23,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.16 : 25,203.24 = 15,839.88 : x
  2. Step 2: Convert to fraction form
    16,802.16/25,203.24 = 15,839.88/x
  3. Step 3: Cross multiply
    16,802.16x = 25,203.24 × 15,839.88
  4. Step 4: Simplify right side
    16,802.16x = 399,216,297.21
  5. Step 5: Solve for x
    x = 399,216,297.21/16,802.16
  6. Step 6: Final answer
    x = 23,759.82

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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.