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Finding the Fourth Proportional to 24,979.80, 37,469.70 and 6,511.80

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Solution

The fourth proportional to 24,979.80, 37,469.70 and 6,511.80 is: 9,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,979.80 : 37,469.70 = 6,511.80 : x
  2. Step 2: Convert to fraction form
    24,979.80/37,469.70 = 6,511.80/x
  3. Step 3: Cross multiply
    24,979.80x = 37,469.70 × 6,511.80
  4. Step 4: Simplify right side
    24,979.80x = 243,995,192.46
  5. Step 5: Solve for x
    x = 243,995,192.46/24,979.80
  6. Step 6: Final answer
    x = 9,767.70

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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.