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Finding the Fourth Proportional to 18,655, 25,744.02 and 10,272.04

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Solution

The fourth proportional to 18,655, 25,744.02 and 10,272.04 is: 14,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655 : 25,744.02 = 10,272.04 : x
  2. Step 2: Convert to fraction form
    18,655/25,744.02 = 10,272.04/x
  3. Step 3: Cross multiply
    18,655x = 25,744.02 × 10,272.04
  4. Step 4: Simplify right side
    18,655x = 264,443,603.20
  5. Step 5: Solve for x
    x = 264,443,603.20/18,655
  6. Step 6: Final answer
    x = 14,175.48

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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.