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Finding the Fourth Proportional to 18,522.51, 25,561.08 and 10,564.53

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Solution

The fourth proportional to 18,522.51, 25,561.08 and 10,564.53 is: 14,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.51 : 25,561.08 = 10,564.53 : x
  2. Step 2: Convert to fraction form
    18,522.51/25,561.08 = 10,564.53/x
  3. Step 3: Cross multiply
    18,522.51x = 25,561.08 × 10,564.53
  4. Step 4: Simplify right side
    18,522.51x = 270,040,796.49
  5. Step 5: Solve for x
    x = 270,040,796.49/18,522.51
  6. Step 6: Final answer
    x = 14,579.06

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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.