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Finding the Fourth Proportional to 13,767.52, 20,651.28 and 4,533.52

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Solution

The fourth proportional to 13,767.52, 20,651.28 and 4,533.52 is: 6,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.52 : 20,651.28 = 4,533.52 : x
  2. Step 2: Convert to fraction form
    13,767.52/20,651.28 = 4,533.52/x
  3. Step 3: Cross multiply
    13,767.52x = 20,651.28 × 4,533.52
  4. Step 4: Simplify right side
    13,767.52x = 93,622,990.91
  5. Step 5: Solve for x
    x = 93,622,990.91/13,767.52
  6. Step 6: Final answer
    x = 6,800.28

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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.