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Finding the Fourth Proportional to 18,671.83, 25,792.29 and 17,343.22

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Solution

The fourth proportional to 18,671.83, 25,792.29 and 17,343.22 is: 23,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.83 : 25,792.29 = 17,343.22 : x
  2. Step 2: Convert to fraction form
    18,671.83/25,792.29 = 17,343.22/x
  3. Step 3: Cross multiply
    18,671.83x = 25,792.29 × 17,343.22
  4. Step 4: Simplify right side
    18,671.83x = 447,321,230.81
  5. Step 5: Solve for x
    x = 447,321,230.81/18,671.83
  6. Step 6: Final answer
    x = 23,957.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.