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Finding the Fourth Proportional to 24,676.63, 37,018.19 and 12,990.49

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Solution

The fourth proportional to 24,676.63, 37,018.19 and 12,990.49 is: 19,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,676.63 : 37,018.19 = 12,990.49 : x
  2. Step 2: Convert to fraction form
    24,676.63/37,018.19 = 12,990.49/x
  3. Step 3: Cross multiply
    24,676.63x = 37,018.19 × 12,990.49
  4. Step 4: Simplify right side
    24,676.63x = 480,884,269.52
  5. Step 5: Solve for x
    x = 480,884,269.52/24,676.63
  6. Step 6: Final answer
    x = 19,487.44

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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.