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Finding the Fourth Proportional to 18,583.44, 25,628.04 and 17,242.08

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Solution

The fourth proportional to 18,583.44, 25,628.04 and 17,242.08 is: 23,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.44 : 25,628.04 = 17,242.08 : x
  2. Step 2: Convert to fraction form
    18,583.44/25,628.04 = 17,242.08/x
  3. Step 3: Cross multiply
    18,583.44x = 25,628.04 × 17,242.08
  4. Step 4: Simplify right side
    18,583.44x = 441,880,715.92
  5. Step 5: Solve for x
    x = 441,880,715.92/18,583.44
  6. Step 6: Final answer
    x = 23,778.20

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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.