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Finding the Fourth Proportional to 18,522.66, 25,561 and 10,565.01

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Solution

The fourth proportional to 18,522.66, 25,561 and 10,565.01 is: 14,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.66 : 25,561 = 10,565.01 : x
  2. Step 2: Convert to fraction form
    18,522.66/25,561 = 10,565.01/x
  3. Step 3: Cross multiply
    18,522.66x = 25,561 × 10,565.01
  4. Step 4: Simplify right side
    18,522.66x = 270,052,284.51
  5. Step 5: Solve for x
    x = 270,052,284.51/18,522.66
  6. Step 6: Final answer
    x = 14,579.57

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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.