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Finding the Fourth Proportional to 8,316.50, 12,476.81 and 2,473.09

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Solution

The fourth proportional to 8,316.50, 12,476.81 and 2,473.09 is: 3,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.50 : 12,476.81 = 2,473.09 : x
  2. Step 2: Convert to fraction form
    8,316.50/12,476.81 = 2,473.09/x
  3. Step 3: Cross multiply
    8,316.50x = 12,476.81 × 2,473.09
  4. Step 4: Simplify right side
    8,316.50x = 30,856,274.04
  5. Step 5: Solve for x
    x = 30,856,274.04/8,316.50
  6. Step 6: Final answer
    x = 3,710.25

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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.