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Finding the Fourth Proportional to 8,882.73, 13,291.70 and 7,316.01

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Solution

The fourth proportional to 8,882.73, 13,291.70 and 7,316.01 is: 10,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.73 : 13,291.70 = 7,316.01 : x
  2. Step 2: Convert to fraction form
    8,882.73/13,291.70 = 7,316.01/x
  3. Step 3: Cross multiply
    8,882.73x = 13,291.70 × 7,316.01
  4. Step 4: Simplify right side
    8,882.73x = 97,242,173.54
  5. Step 5: Solve for x
    x = 97,242,173.54/8,882.73
  6. Step 6: Final answer
    x = 10,947.33

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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.