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Finding the Fourth Proportional to 18,015.50, 27,027.58 and 5,703.50

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Solution

The fourth proportional to 18,015.50, 27,027.58 and 5,703.50 is: 8,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.50 : 27,027.58 = 5,703.50 : x
  2. Step 2: Convert to fraction form
    18,015.50/27,027.58 = 5,703.50/x
  3. Step 3: Cross multiply
    18,015.50x = 27,027.58 × 5,703.50
  4. Step 4: Simplify right side
    18,015.50x = 154,151,802.53
  5. Step 5: Solve for x
    x = 154,151,802.53/18,015.50
  6. Step 6: Final answer
    x = 8,556.62

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1.5x scale

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.