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Finding the Fourth Proportional to 18,262.10, 25,200.63 and 10,305.06

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Solution

The fourth proportional to 18,262.10, 25,200.63 and 10,305.06 is: 14,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.10 : 25,200.63 = 10,305.06 : x
  2. Step 2: Convert to fraction form
    18,262.10/25,200.63 = 10,305.06/x
  3. Step 3: Cross multiply
    18,262.10x = 25,200.63 × 10,305.06
  4. Step 4: Simplify right side
    18,262.10x = 259,694,004.19
  5. Step 5: Solve for x
    x = 259,694,004.19/18,262.10
  6. Step 6: Final answer
    x = 14,220.38

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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.