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Finding the Fourth Proportional to 49,228.64, 73,799.04 and 18,056.64

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Solution

The fourth proportional to 49,228.64, 73,799.04 and 18,056.64 is: 27,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.64 : 73,799.04 = 18,056.64 : x
  2. Step 2: Convert to fraction form
    49,228.64/73,799.04 = 18,056.64/x
  3. Step 3: Cross multiply
    49,228.64x = 73,799.04 × 18,056.64
  4. Step 4: Simplify right side
    49,228.64x = 1,332,562,697.63
  5. Step 5: Solve for x
    x = 1,332,562,697.63/49,228.64
  6. Step 6: Final answer
    x = 27,068.85

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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.