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Finding the Fourth Proportional to 4,457.64, 6,679.68 and 3,529.32

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Solution

The fourth proportional to 4,457.64, 6,679.68 and 3,529.32 is: 5,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.64 : 6,679.68 = 3,529.32 : x
  2. Step 2: Convert to fraction form
    4,457.64/6,679.68 = 3,529.32/x
  3. Step 3: Cross multiply
    4,457.64x = 6,679.68 × 3,529.32
  4. Step 4: Simplify right side
    4,457.64x = 23,574,728.22
  5. Step 5: Solve for x
    x = 23,574,728.22/4,457.64
  6. Step 6: Final answer
    x = 5,288.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.