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Finding the Fourth Proportional to 11,875.56, 17,793.64 and 8,358.22

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Solution

The fourth proportional to 11,875.56, 17,793.64 and 8,358.22 is: 12,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.56 : 17,793.64 = 8,358.22 : x
  2. Step 2: Convert to fraction form
    11,875.56/17,793.64 = 8,358.22/x
  3. Step 3: Cross multiply
    11,875.56x = 17,793.64 × 8,358.22
  4. Step 4: Simplify right side
    11,875.56x = 148,723,157.72
  5. Step 5: Solve for x
    x = 148,723,157.72/11,875.56
  6. Step 6: Final answer
    x = 12,523.46

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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.