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Finding the Fourth Proportional to 18,849.53, 28,277.03 and 5,703.03

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Solution

The fourth proportional to 18,849.53, 28,277.03 and 5,703.03 is: 8,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.53 : 28,277.03 = 5,703.03 : x
  2. Step 2: Convert to fraction form
    18,849.53/28,277.03 = 5,703.03/x
  3. Step 3: Cross multiply
    18,849.53x = 28,277.03 × 5,703.03
  4. Step 4: Simplify right side
    18,849.53x = 161,264,764.66
  5. Step 5: Solve for x
    x = 161,264,764.66/18,849.53
  6. Step 6: Final answer
    x = 8,555.37

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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.