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Finding the Fourth Proportional to 17,363.78, 23,962.02 and 9,405.98

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Solution

The fourth proportional to 17,363.78, 23,962.02 and 9,405.98 is: 12,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.78 : 23,962.02 = 9,405.98 : x
  2. Step 2: Convert to fraction form
    17,363.78/23,962.02 = 9,405.98/x
  3. Step 3: Cross multiply
    17,363.78x = 23,962.02 × 9,405.98
  4. Step 4: Simplify right side
    17,363.78x = 225,386,280.88
  5. Step 5: Solve for x
    x = 225,386,280.88/17,363.78
  6. Step 6: Final answer
    x = 12,980.25

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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.