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Finding the Fourth Proportional to 25,061.82, 37,593.64 and 8,422.40

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Solution

The fourth proportional to 25,061.82, 37,593.64 and 8,422.40 is: 12,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,061.82 : 37,593.64 = 8,422.40 : x
  2. Step 2: Convert to fraction form
    25,061.82/37,593.64 = 8,422.40/x
  3. Step 3: Cross multiply
    25,061.82x = 37,593.64 × 8,422.40
  4. Step 4: Simplify right side
    25,061.82x = 316,628,485.57
  5. Step 5: Solve for x
    x = 316,628,485.57/25,061.82
  6. Step 6: Final answer
    x = 12,633.90

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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.