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Finding the Fourth Proportional to 8,057.82, 11,124.93 and 7,217.04

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Solution

The fourth proportional to 8,057.82, 11,124.93 and 7,217.04 is: 9,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.82 : 11,124.93 = 7,217.04 : x
  2. Step 2: Convert to fraction form
    8,057.82/11,124.93 = 7,217.04/x
  3. Step 3: Cross multiply
    8,057.82x = 11,124.93 × 7,217.04
  4. Step 4: Simplify right side
    8,057.82x = 80,289,064.81
  5. Step 5: Solve for x
    x = 80,289,064.81/8,057.82
  6. Step 6: Final answer
    x = 9,964.12

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Double scale
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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.