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Finding the Fourth Proportional to 11,791.50, 16,275.92 and 7,599.75

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Solution

The fourth proportional to 11,791.50, 16,275.92 and 7,599.75 is: 10,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.50 : 16,275.92 = 7,599.75 : x
  2. Step 2: Convert to fraction form
    11,791.50/16,275.92 = 7,599.75/x
  3. Step 3: Cross multiply
    11,791.50x = 16,275.92 × 7,599.75
  4. Step 4: Simplify right side
    11,791.50x = 123,692,885.02
  5. Step 5: Solve for x
    x = 123,692,885.02/11,791.50
  6. Step 6: Final answer
    x = 10,490.00

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1.5x scale

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.