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Finding the Fourth Proportional to 23,686.99, 35,520.15 and 12,591.01

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Solution

The fourth proportional to 23,686.99, 35,520.15 and 12,591.01 is: 18,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,686.99 : 35,520.15 = 12,591.01 : x
  2. Step 2: Convert to fraction form
    23,686.99/35,520.15 = 12,591.01/x
  3. Step 3: Cross multiply
    23,686.99x = 35,520.15 × 12,591.01
  4. Step 4: Simplify right side
    23,686.99x = 447,234,563.85
  5. Step 5: Solve for x
    x = 447,234,563.85/23,686.99
  6. Step 6: Final answer
    x = 18,881.02

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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.