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Finding the Fourth Proportional to 25,901.64, 38,839.07 and 8,369.18

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Solution

The fourth proportional to 25,901.64, 38,839.07 and 8,369.18 is: 12,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.64 : 38,839.07 = 8,369.18 : x
  2. Step 2: Convert to fraction form
    25,901.64/38,839.07 = 8,369.18/x
  3. Step 3: Cross multiply
    25,901.64x = 38,839.07 × 8,369.18
  4. Step 4: Simplify right side
    25,901.64x = 325,051,167.86
  5. Step 5: Solve for x
    x = 325,051,167.86/25,901.64
  6. Step 6: Final answer
    x = 12,549.44

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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.