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Finding the Fourth Proportional to 14,059.47, 19,402.08 and 8,091.03

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Solution

The fourth proportional to 14,059.47, 19,402.08 and 8,091.03 is: 11,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.47 : 19,402.08 = 8,091.03 : x
  2. Step 2: Convert to fraction form
    14,059.47/19,402.08 = 8,091.03/x
  3. Step 3: Cross multiply
    14,059.47x = 19,402.08 × 8,091.03
  4. Step 4: Simplify right side
    14,059.47x = 156,982,811.34
  5. Step 5: Solve for x
    x = 156,982,811.34/14,059.47
  6. Step 6: Final answer
    x = 11,165.63

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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.