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Finding the Fourth Proportional to 4,601.64, 6,903.20 and 1,828.32

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Solution

The fourth proportional to 4,601.64, 6,903.20 and 1,828.32 is: 2,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.64 : 6,903.20 = 1,828.32 : x
  2. Step 2: Convert to fraction form
    4,601.64/6,903.20 = 1,828.32/x
  3. Step 3: Cross multiply
    4,601.64x = 6,903.20 × 1,828.32
  4. Step 4: Simplify right side
    4,601.64x = 12,621,258.62
  5. Step 5: Solve for x
    x = 12,621,258.62/4,601.64
  6. Step 6: Final answer
    x = 2,742.77

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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.