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Finding the Fourth Proportional to 18,523.25, 25,559.70 and 10,565.00

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Solution

The fourth proportional to 18,523.25, 25,559.70 and 10,565.00 is: 14,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.25 : 25,559.70 = 10,565.00 : x
  2. Step 2: Convert to fraction form
    18,523.25/25,559.70 = 10,565.00/x
  3. Step 3: Cross multiply
    18,523.25x = 25,559.70 × 10,565.00
  4. Step 4: Simplify right side
    18,523.25x = 270,038,218.36
  5. Step 5: Solve for x
    x = 270,038,218.36/18,523.25
  6. Step 6: Final answer
    x = 14,578.34

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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.