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Finding the Fourth Proportional to 20,533.66, 30,801.36 and 8,052.58

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Solution

The fourth proportional to 20,533.66, 30,801.36 and 8,052.58 is: 12,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.66 : 30,801.36 = 8,052.58 : x
  2. Step 2: Convert to fraction form
    20,533.66/30,801.36 = 8,052.58/x
  3. Step 3: Cross multiply
    20,533.66x = 30,801.36 × 8,052.58
  4. Step 4: Simplify right side
    20,533.66x = 248,030,415.51
  5. Step 5: Solve for x
    x = 248,030,415.51/20,533.66
  6. Step 6: Final answer
    x = 12,079.21

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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.