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Finding the Fourth Proportional to 12,941.52, 17,849.88 and 8,962.80

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Solution

The fourth proportional to 12,941.52, 17,849.88 and 8,962.80 is: 12,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.52 : 17,849.88 = 8,962.80 : x
  2. Step 2: Convert to fraction form
    12,941.52/17,849.88 = 8,962.80/x
  3. Step 3: Cross multiply
    12,941.52x = 17,849.88 × 8,962.80
  4. Step 4: Simplify right side
    12,941.52x = 159,984,904.46
  5. Step 5: Solve for x
    x = 159,984,904.46/12,941.52
  6. Step 6: Final answer
    x = 12,362.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.