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Finding the Fourth Proportional to 10,983.30, 16,474.95 and 8,796.30

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Solution

The fourth proportional to 10,983.30, 16,474.95 and 8,796.30 is: 13,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.30 : 16,474.95 = 8,796.30 : x
  2. Step 2: Convert to fraction form
    10,983.30/16,474.95 = 8,796.30/x
  3. Step 3: Cross multiply
    10,983.30x = 16,474.95 × 8,796.30
  4. Step 4: Simplify right side
    10,983.30x = 144,918,602.69
  5. Step 5: Solve for x
    x = 144,918,602.69/10,983.30
  6. Step 6: Final answer
    x = 13,194.45

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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.