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Finding the Fourth Proportional to 27,232.94, 40,820.36 and 15,520.94

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Solution

The fourth proportional to 27,232.94, 40,820.36 and 15,520.94 is: 23,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,232.94 : 40,820.36 = 15,520.94 : x
  2. Step 2: Convert to fraction form
    27,232.94/40,820.36 = 15,520.94/x
  3. Step 3: Cross multiply
    27,232.94x = 40,820.36 × 15,520.94
  4. Step 4: Simplify right side
    27,232.94x = 633,570,358.34
  5. Step 5: Solve for x
    x = 633,570,358.34/27,232.94
  6. Step 6: Final answer
    x = 23,264.85

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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.