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Finding the Fourth Proportional to 64,662.02, 89,220.21 and 37,799.33

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Solution

The fourth proportional to 64,662.02, 89,220.21 and 37,799.33 is: 52,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662.02 : 89,220.21 = 37,799.33 : x
  2. Step 2: Convert to fraction form
    64,662.02/89,220.21 = 37,799.33/x
  3. Step 3: Cross multiply
    64,662.02x = 89,220.21 × 37,799.33
  4. Step 4: Simplify right side
    64,662.02x = 3,372,464,431.72
  5. Step 5: Solve for x
    x = 3,372,464,431.72/64,662.02
  6. Step 6: Final answer
    x = 52,155.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.