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Finding the Fourth Proportional to 15,813.59, 23,697.59 and 12,049.20

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Solution

The fourth proportional to 15,813.59, 23,697.59 and 12,049.20 is: 18,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.59 : 23,697.59 = 12,049.20 : x
  2. Step 2: Convert to fraction form
    15,813.59/23,697.59 = 12,049.20/x
  3. Step 3: Cross multiply
    15,813.59x = 23,697.59 × 12,049.20
  4. Step 4: Simplify right side
    15,813.59x = 285,536,941.18
  5. Step 5: Solve for x
    x = 285,536,941.18/15,813.59
  6. Step 6: Final answer
    x = 18,056.43

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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.