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Finding the Fourth Proportional to 8,365.05, 12,563.16 and 7,364.75

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Solution

The fourth proportional to 8,365.05, 12,563.16 and 7,364.75 is: 11,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.05 : 12,563.16 = 7,364.75 : x
  2. Step 2: Convert to fraction form
    8,365.05/12,563.16 = 7,364.75/x
  3. Step 3: Cross multiply
    8,365.05x = 12,563.16 × 7,364.75
  4. Step 4: Simplify right side
    8,365.05x = 92,524,442.18
  5. Step 5: Solve for x
    x = 92,524,442.18/8,365.05
  6. Step 6: Final answer
    x = 11,060.84

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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.