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Finding the Fourth Proportional to 23,880.47, 35,821.71 and 7,240.03

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Solution

The fourth proportional to 23,880.47, 35,821.71 and 7,240.03 is: 10,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,880.47 : 35,821.71 = 7,240.03 : x
  2. Step 2: Convert to fraction form
    23,880.47/35,821.71 = 7,240.03/x
  3. Step 3: Cross multiply
    23,880.47x = 35,821.71 × 7,240.03
  4. Step 4: Simplify right side
    23,880.47x = 259,350,165.50
  5. Step 5: Solve for x
    x = 259,350,165.50/23,880.47
  6. Step 6: Final answer
    x = 10,860.35

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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.