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Finding the Fourth Proportional to 8,982.71, 13,504.47 and 7,239.94

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Solution

The fourth proportional to 8,982.71, 13,504.47 and 7,239.94 is: 10,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.71 : 13,504.47 = 7,239.94 : x
  2. Step 2: Convert to fraction form
    8,982.71/13,504.47 = 7,239.94/x
  3. Step 3: Cross multiply
    8,982.71x = 13,504.47 × 7,239.94
  4. Step 4: Simplify right side
    8,982.71x = 97,771,552.53
  5. Step 5: Solve for x
    x = 97,771,552.53/8,982.71
  6. Step 6: Final answer
    x = 10,884.42

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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.