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Finding the Fourth Proportional to 11,323.95, 16,990.79 and 8,058.03

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Solution

The fourth proportional to 11,323.95, 16,990.79 and 8,058.03 is: 12,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.95 : 16,990.79 = 8,058.03 : x
  2. Step 2: Convert to fraction form
    11,323.95/16,990.79 = 8,058.03/x
  3. Step 3: Cross multiply
    11,323.95x = 16,990.79 × 8,058.03
  4. Step 4: Simplify right side
    11,323.95x = 136,912,255.25
  5. Step 5: Solve for x
    x = 136,912,255.25/11,323.95
  6. Step 6: Final answer
    x = 12,090.50

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1.5x scale

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.