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Finding the Fourth Proportional to 13,752.56, 20,632.56 and 6,350.96

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Solution

The fourth proportional to 13,752.56, 20,632.56 and 6,350.96 is: 9,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.56 : 20,632.56 = 6,350.96 : x
  2. Step 2: Convert to fraction form
    13,752.56/20,632.56 = 6,350.96/x
  3. Step 3: Cross multiply
    13,752.56x = 20,632.56 × 6,350.96
  4. Step 4: Simplify right side
    13,752.56x = 131,036,563.26
  5. Step 5: Solve for x
    x = 131,036,563.26/13,752.56
  6. Step 6: Final answer
    x = 9,528.16

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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.