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Finding the Fourth Proportional to 64,939.44, 97,410.78 and 18,195.96

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Solution

The fourth proportional to 64,939.44, 97,410.78 and 18,195.96 is: 27,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939.44 : 97,410.78 = 18,195.96 : x
  2. Step 2: Convert to fraction form
    64,939.44/97,410.78 = 18,195.96/x
  3. Step 3: Cross multiply
    64,939.44x = 97,410.78 × 18,195.96
  4. Step 4: Simplify right side
    64,939.44x = 1,772,482,656.45
  5. Step 5: Solve for x
    x = 1,772,482,656.45/64,939.44
  6. Step 6: Final answer
    x = 27,294.39

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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.