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Finding the Fourth Proportional to 6,410.20, 8,847.20 and 5,093.92

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Solution

The fourth proportional to 6,410.20, 8,847.20 and 5,093.92 is: 7,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.20 : 8,847.20 = 5,093.92 : x
  2. Step 2: Convert to fraction form
    6,410.20/8,847.20 = 5,093.92/x
  3. Step 3: Cross multiply
    6,410.20x = 8,847.20 × 5,093.92
  4. Step 4: Simplify right side
    6,410.20x = 45,066,929.02
  5. Step 5: Solve for x
    x = 45,066,929.02/6,410.20
  6. Step 6: Final answer
    x = 7,030.50

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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.