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Finding the Fourth Proportional to 6,451.99, 8,903.77 and 3,619.37

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Solution

The fourth proportional to 6,451.99, 8,903.77 and 3,619.37 is: 4,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.99 : 8,903.77 = 3,619.37 : x
  2. Step 2: Convert to fraction form
    6,451.99/8,903.77 = 3,619.37/x
  3. Step 3: Cross multiply
    6,451.99x = 8,903.77 × 3,619.37
  4. Step 4: Simplify right side
    6,451.99x = 32,226,036.17
  5. Step 5: Solve for x
    x = 32,226,036.17/6,451.99
  6. Step 6: Final answer
    x = 4,994.74

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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.