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Finding the Fourth Proportional to 18,869.97, 26,041.01 and 10,372.03

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Solution

The fourth proportional to 18,869.97, 26,041.01 and 10,372.03 is: 14,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.97 : 26,041.01 = 10,372.03 : x
  2. Step 2: Convert to fraction form
    18,869.97/26,041.01 = 10,372.03/x
  3. Step 3: Cross multiply
    18,869.97x = 26,041.01 × 10,372.03
  4. Step 4: Simplify right side
    18,869.97x = 270,098,019.99
  5. Step 5: Solve for x
    x = 270,098,019.99/18,869.97
  6. Step 6: Final answer
    x = 14,313.64

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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.