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Finding the Fourth Proportional to 9,888.56, 14,839.20 and 3,732.56

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Solution

The fourth proportional to 9,888.56, 14,839.20 and 3,732.56 is: 5,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.56 : 14,839.20 = 3,732.56 : x
  2. Step 2: Convert to fraction form
    9,888.56/14,839.20 = 3,732.56/x
  3. Step 3: Cross multiply
    9,888.56x = 14,839.20 × 3,732.56
  4. Step 4: Simplify right side
    9,888.56x = 55,388,204.35
  5. Step 5: Solve for x
    x = 55,388,204.35/9,888.56
  6. Step 6: Final answer
    x = 5,601.24

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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.