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Finding the Fourth Proportional to 18,296.52, 25,239.96 and 12,247.02

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Solution

The fourth proportional to 18,296.52, 25,239.96 and 12,247.02 is: 16,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.52 : 25,239.96 = 12,247.02 : x
  2. Step 2: Convert to fraction form
    18,296.52/25,239.96 = 12,247.02/x
  3. Step 3: Cross multiply
    18,296.52x = 25,239.96 × 12,247.02
  4. Step 4: Simplify right side
    18,296.52x = 309,114,294.92
  5. Step 5: Solve for x
    x = 309,114,294.92/18,296.52
  6. Step 6: Final answer
    x = 16,894.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.