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Finding the Fourth Proportional to 14,059.11, 21,099.05 and 6,663.59

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Solution

The fourth proportional to 14,059.11, 21,099.05 and 6,663.59 is: 10,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.11 : 21,099.05 = 6,663.59 : x
  2. Step 2: Convert to fraction form
    14,059.11/21,099.05 = 6,663.59/x
  3. Step 3: Cross multiply
    14,059.11x = 21,099.05 × 6,663.59
  4. Step 4: Simplify right side
    14,059.11x = 140,595,418.59
  5. Step 5: Solve for x
    x = 140,595,418.59/14,059.11
  6. Step 6: Final answer
    x = 10,000.31

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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.