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Finding the Fourth Proportional to 9,996.56, 13,800.72 and 6,018.56

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Solution

The fourth proportional to 9,996.56, 13,800.72 and 6,018.56 is: 8,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.56 : 13,800.72 = 6,018.56 : x
  2. Step 2: Convert to fraction form
    9,996.56/13,800.72 = 6,018.56/x
  3. Step 3: Cross multiply
    9,996.56x = 13,800.72 × 6,018.56
  4. Step 4: Simplify right side
    9,996.56x = 83,060,461.36
  5. Step 5: Solve for x
    x = 83,060,461.36/9,996.56
  6. Step 6: Final answer
    x = 8,308.90

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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.