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Finding the Fourth Proportional to 8,353.86, 12,532.23 and 2,807.73

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Solution

The fourth proportional to 8,353.86, 12,532.23 and 2,807.73 is: 4,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.86 : 12,532.23 = 2,807.73 : x
  2. Step 2: Convert to fraction form
    8,353.86/12,532.23 = 2,807.73/x
  3. Step 3: Cross multiply
    8,353.86x = 12,532.23 × 2,807.73
  4. Step 4: Simplify right side
    8,353.86x = 35,187,118.14
  5. Step 5: Solve for x
    x = 35,187,118.14/8,353.86
  6. Step 6: Final answer
    x = 4,212.08

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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.