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Finding the Fourth Proportional to 22,053.42, 33,080.06 and 8,905.64

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Solution

The fourth proportional to 22,053.42, 33,080.06 and 8,905.64 is: 13,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.42 : 33,080.06 = 8,905.64 : x
  2. Step 2: Convert to fraction form
    22,053.42/33,080.06 = 8,905.64/x
  3. Step 3: Cross multiply
    22,053.42x = 33,080.06 × 8,905.64
  4. Step 4: Simplify right side
    22,053.42x = 294,598,962.40
  5. Step 5: Solve for x
    x = 294,598,962.40/22,053.42
  6. Step 6: Final answer
    x = 13,358.43

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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.