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Finding the Fourth Proportional to 8,968.47, 13,436.47 and 5,014.99

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Solution

The fourth proportional to 8,968.47, 13,436.47 and 5,014.99 is: 7,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.47 : 13,436.47 = 5,014.99 : x
  2. Step 2: Convert to fraction form
    8,968.47/13,436.47 = 5,014.99/x
  3. Step 3: Cross multiply
    8,968.47x = 13,436.47 × 5,014.99
  4. Step 4: Simplify right side
    8,968.47x = 67,383,762.69
  5. Step 5: Solve for x
    x = 67,383,762.69/8,968.47
  6. Step 6: Final answer
    x = 7,513.41

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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.