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Finding the Fourth Proportional to 18,425, 25,426.68 and 10,041.68

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Solution

The fourth proportional to 18,425, 25,426.68 and 10,041.68 is: 13,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425 : 25,426.68 = 10,041.68 : x
  2. Step 2: Convert to fraction form
    18,425/25,426.68 = 10,041.68/x
  3. Step 3: Cross multiply
    18,425x = 25,426.68 × 10,041.68
  4. Step 4: Simplify right side
    18,425x = 255,326,584.02
  5. Step 5: Solve for x
    x = 255,326,584.02/18,425
  6. Step 6: Final answer
    x = 13,857.62

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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.