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Finding the Fourth Proportional to 22,602.60, 33,903.90 and 18,228.60

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Solution

The fourth proportional to 22,602.60, 33,903.90 and 18,228.60 is: 27,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.60 : 33,903.90 = 18,228.60 : x
  2. Step 2: Convert to fraction form
    22,602.60/33,903.90 = 18,228.60/x
  3. Step 3: Cross multiply
    22,602.60x = 33,903.90 × 18,228.60
  4. Step 4: Simplify right side
    22,602.60x = 618,020,631.54
  5. Step 5: Solve for x
    x = 618,020,631.54/22,602.60
  6. Step 6: Final answer
    x = 27,342.90

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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.