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Finding the Fourth Proportional to 18,565.16, 27,797.52 and 13,597.16

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Solution

The fourth proportional to 18,565.16, 27,797.52 and 13,597.16 is: 20,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.16 : 27,797.52 = 13,597.16 : x
  2. Step 2: Convert to fraction form
    18,565.16/27,797.52 = 13,597.16/x
  3. Step 3: Cross multiply
    18,565.16x = 27,797.52 × 13,597.16
  4. Step 4: Simplify right side
    18,565.16x = 377,967,327.04
  5. Step 5: Solve for x
    x = 377,967,327.04/18,565.16
  6. Step 6: Final answer
    x = 20,358.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.